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Divisibility Rules 4 || Number Systems || Quantitative Aptitude || CAT Preparation 2024 

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Number System by Ravi Prakash | Quantitative Aptitude for CAT 2024
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Комментарии : 216   
@pratikbhor6580
@pratikbhor6580 5 лет назад
Best wishes to u sir...free coaching for CAT...Forget other coaching classes.. Next Anand Kumar of india 🤗RAVI PRAKASH❤️
@mr.morningstar894
@mr.morningstar894 2 года назад
No ,he is 1st Ravi Prakash of India Everyone have their own unique identify for which they are known. Never merged one's identity with another
@rajdebnath9681
@rajdebnath9681 2 года назад
Hey can u address me where I can find the quizzes??
@zoro3188
@zoro3188 2 года назад
@@rajdebnath9681 if u somehow find it pls share here also
@HelloMahimaShetty
@HelloMahimaShetty 2 года назад
@@zoro3188 at the end, he said he will discuss the peculiar case of 11 and 9... where is that video?
@imyours777
@imyours777 Год назад
@@HelloMahimaShetty unacademy plus course mein
@abeginnerspov5968
@abeginnerspov5968 3 года назад
Those who didn't get the concept, please watch the remainders lectures first. It will take you hardly 8 hours to get hold of all those.
@premsiraman5211
@premsiraman5211 3 года назад
is this the least class of divisibility rules?
@owaowa8442
@owaowa8442 2 месяца назад
8 hours feels exaggerated, the concept videos are of around 240 min in total explained in a very simple manner tbh. Shouldnt take that long imo. Even lesser if you watch it on a faster speed
@anamikamishra4644
@anamikamishra4644 Месяц назад
@@owaowa8442 Yea, on 2x speed it'll take max 3 hours
@suryavoroy3527
@suryavoroy3527 Год назад
Rightmost is always 1 and groups of three is great concept!
@saraskim4228
@saraskim4228 5 лет назад
Thanks alot sir for providing the complete course for free....
@Anandappus-cq9mu
@Anandappus-cq9mu 5 месяцев назад
explain -10^3 =r=-1 so first starting should be negative right--why +1 starting..why
@sicmunduscreatusest5845
@sicmunduscreatusest5845 5 месяцев назад
Rightmost is -1 indeed...but as 600 is an even term...it doesn't matter...it's just a lucky mistake​@@Anandappus-cq9mu
@Entertainment-hq5rt
@Entertainment-hq5rt 3 месяца назад
​@@Anandappus-cq9mu Cause 1st 3 digits don't have 10^3. It is like 1 divided by 33 or 11. So it is just 1 ( 10^0, 10^1, 10^2)
@sparshkalra9439
@sparshkalra9439 3 года назад
Thankyou somuch for such amazing explanations sir . I could not stop myself from commenting here n admiring you .you are great sir 👍
@Anandappus-cq9mu
@Anandappus-cq9mu 5 месяцев назад
explain -10^3 =r=-1 so first starting should be negative right--why +1 starting..why
@gungunjain2623
@gungunjain2623 4 месяца назад
Odd power gives us remainder -1 and even power gives us +1 always and most of series starts with 1 so sir ne jaldi jaldi bol Diya ki starting is always-1 and ending is always with +1​@@Anandappus-cq9mu
@ZecTox
@ZecTox 4 месяца назад
@@gungunjain2623 but doesn't that make the answer also wrong if it should be done from right to left and sir is doing it from left to right (-1 and then +1)
@gungunjain2623
@gungunjain2623 4 месяца назад
@@ZecTox left to right isliye bola kyoki jab group divide hoge to vo right side se ni hoge only left se hi start hoge and agar end m kuch adjustment aya or or + - ko interchange kiya to galat ho jayega question
@hardworking5125
@hardworking5125 3 месяца назад
11:14 question asked in Upsc Csat 2023 ...just like similar pattern ..thanks to rodha sir with in a second you will get the answer
@PavanKumar-hm6ze
@PavanKumar-hm6ze 3 года назад
Sir , we students completely following u and completely depended on u.... Sir plzx make sure that ur course is enough for cat exam.... I mean to get in some of best B schools
@sjsthomasnick3002
@sjsthomasnick3002 3 года назад
Are you preparing for CAT'21?
@amritapatjoshi6695
@amritapatjoshi6695 3 года назад
@@sjsthomasnick3002 is this helpful? please say yes.
@sam16419
@sam16419 Год назад
Yes @@amritapatjoshi6695
@mayanksindhvad
@mayanksindhvad 4 года назад
Please provide the link for the peculiar case of 9 and 11 you mentioned at the end of video.
@saurabhhase6871
@saurabhhase6871 4 года назад
pls response
@nihalchoudhary3409
@nihalchoudhary3409 4 года назад
Bhai you can used 9 in form of 3 square . Seen in lecture of divisibity rule 1 there were a question of 3 and also 11
@sushantwaydande6091
@sushantwaydande6091 4 года назад
First question can also be solved by taking [(sum of even numbers between 300 to 400) - (sum of odd numbers between 300 to 400)] which = [(17550) - (17500)] = 50 And then 50/13 remainder 11.
@36_parthshrimali84
@36_parthshrimali84 3 года назад
❤️❤️
@architluthra7811
@architluthra7811 3 года назад
17550 ? How
@shivamkumar-ey1kw
@shivamkumar-ey1kw 2 года назад
@@36_parthshrimali84 calculate the sum of even between 300to400
@tamannatanwar575
@tamannatanwar575 Год назад
Thank u so much for this reply 😍😍😍😘.I was confused in this question.
@lekheamsahu3628
@lekheamsahu3628 Год назад
​@@tamannatanwar575 how it is calculated I got ans as 17150
@ShekharSingh-fr3sh
@ShekharSingh-fr3sh 2 года назад
Where's the peculiar case videos as he mentioned in the end? If anyone knows about it please respond
@akshshshsh739
@akshshshsh739 3 года назад
Where is the video for "peculiar case of 11 & 9" sir?
@venkareddyballela364
@venkareddyballela364 4 года назад
sir the separate video for 11 is missing
@vandeshfulzele7611
@vandeshfulzele7611 2 года назад
Thank you soo much sir for providing , complete course for free...... And its amazing explanation ... Thank you for every video .. 🙏
@Anandappus-cq9mu
@Anandappus-cq9mu 5 месяцев назад
explain -10^3 =r=-1 so first starting should be negative right--why +1 starting..why
@navyanarayan1624
@navyanarayan1624 2 месяца назад
@@Anandappus-cq9muwatch the first video of divisibility rule, very carefully.
@zoro3188
@zoro3188 2 года назад
God of cat prep
@36_parthshrimali84
@36_parthshrimali84 3 года назад
Heartly Thank you for providing this much knowledge as free price, you are such a great sir...
@sharayugulhane485
@sharayugulhane485 4 месяца назад
sir, how could we solve for remainder when multiples are involved, for eg, 3^100 divided by 21 for remainder
@amantiwari1916
@amantiwari1916 3 года назад
19:00 75x(-9) /101 if do manually i am getting remainder 69. 75x-9 = -675/101 remainder = 69. How 32 came can anyone explain?
@suryansh0075
@suryansh0075 3 года назад
-675/101= -69 Remainder can't be minus therefore 101-69= 32
@abeginnerspov5968
@abeginnerspov5968 3 года назад
-675/101 = -69 => 101-69 = 32.... Watch the Remainders video first or you wont get it. When the remainder you get is negative and there is no way to get a positive remainder, you have to add the new found remainder with the divisor, which in this case is 101.
@abeginnerspov5968
@abeginnerspov5968 3 года назад
@@suryansh0075 No, it can be, as per our convenience. that is why negative remainder concept exists.
@abeginnerspov5968
@abeginnerspov5968 3 года назад
@@suryansh0075 you can leave it as it is and no problems will happen. The thing is you won't get that in the exam options.
@RajVerma-kp4dc
@RajVerma-kp4dc Год назад
In last question 5647 till 300 digit... First Vala negative ku ni Liya gya Hai? 10^2 gives - 1 remainder... If anyone knows pls reply.. 19:28
@vinaychauhan983
@vinaychauhan983 4 года назад
7x+6=3y+1 is solved by hit and trial method as when you put x=1 you will get y=4 and by this way you are getting 13on both the side.
@justafangirl3902
@justafangirl3902 4 года назад
Go through all the remainders' videos
@krishnatripathi5461
@krishnatripathi5461 Год назад
For 11 why not make group of 2, because after dividing 100 with 11, we get reminder +1
@ayushbhargava1062
@ayushbhargava1062 4 года назад
In 56745674............ 300 digits wala. Question i am getting 69 as remainder from solving 47*75-56*75/101
@rajvirsingh2599
@rajvirsingh2599 4 года назад
Actually that is the negative remainder bcoz it comes out to be 3525-4200/101 i.e -675/101 R=-69 and the alternate positive remainder comes out to be 32 that is 101-69=32
@shashanktripathi3034
@shashanktripathi3034 Год назад
just mind blowing
@saichandanyelleni9106
@saichandanyelleni9106 Месяц назад
how is this related to divisibility rules all we are learning is remainders only
@vidhichauhan2738
@vidhichauhan2738 4 года назад
At the end of the lecture you said we'll discuss peculiar questions of 11 and 9...which lecture is that sir?
@kashishthakur9577
@kashishthakur9577 4 года назад
Exactly where is that video
@animeshbiswal8121
@animeshbiswal8121 4 года назад
Guess thats in remainders video
@ShekharSingh-fr3sh
@ShekharSingh-fr3sh 2 года назад
If anyone find it, then please drop the link here.....
@sidsiva3073
@sidsiva3073 2 года назад
How is answer 13 ? when you subs y=4 in 7x+6=3y+1 , you get x=1 ??
@SWA2725
@SWA2725 Год назад
Sir for 11 if we divide 100/11=1 .So we get 1 as remainder . So sir why 1000/11=-1 is taken and a group of 3 is made . Why a group of 2 is not made.???
@rohit49..92
@rohit49..92 Месяц назад
Thank you sir.........................
@Gautam_OG
@Gautam_OG 2 года назад
5:00 14:00 20:00 24:00
@PS-147
@PS-147 Год назад
When 1234567.......9899 is divide by 99 then find remainder. Can anyone help me with this!?
@ahmadkhan5236
@ahmadkhan5236 Год назад
thank you so much for this content.
@kusumjaiswal4643
@kusumjaiswal4643 Месяц назад
what about the number when divided by 5,15 or 25 ?
@swetasoni4834
@swetasoni4834 8 месяцев назад
Thank you so much Ravi sir Preparing for upsc csat
@aryanupadhyay9038
@aryanupadhyay9038 2 года назад
Sir 301302...400 in that que 400 is also not divisible by 3 then why u havenot divided it accordingly
@manjunathkalal987
@manjunathkalal987 2 года назад
Thank you sir very much for free course
@kshirodkumarsahoo560
@kshirodkumarsahoo560 4 года назад
5555...wala problem... can't we just do 55/21 it gives 13 too.... to justify... 55555....602 digits/21 is 5555.....602digits/7 *1/3 ......so..55/7 *1/3 is 55/21 ...so answer..13
@abhijeetsahoo1322
@abhijeetsahoo1322 Год назад
In the first question, won't we have 312 where the remainder = 0. What will happen in those cases where we have multiples of 13 ?
@sanjayk1286
@sanjayk1286 3 года назад
great video bro
@BHAVYA254
@BHAVYA254 3 года назад
Happy teacher's day sir ❤️
@dhruv20
@dhruv20 2 года назад
in 5555.. /21 question ,after getting remainders(1 and 6) in cases of 3 and 7,did sir explain why 7x+6=3y+1 will give remainder, or do I just accept thats how theorem works?
@ChandrakanthHR
@ChandrakanthHR Год назад
​@@dhruv20 watch reminders first before starting divisibility rules
@abhishekbharti704
@abhishekbharti704 4 года назад
sir tussi god ho
@hrishankverma
@hrishankverma 2 года назад
What a lecture sir❣️❣️♥️
@dhruv20
@dhruv20 2 года назад
in 5555.. /21 question ,after getting remainders(1 and 6) in cases of 3 and 7,did sir explain why 7x+6=3y+1 will give remainder, or do I just accept thats how theorem works?
@AnuragYadav-ei7nn
@AnuragYadav-ei7nn 2 года назад
Thanks from heart
@devanshupadhyay6314
@devanshupadhyay6314 3 года назад
anyone tell the concept of 26×9 please and 5656 and if we divide 675/9 then why the answer is 32 is not possible.
@hritikasingh5349
@hritikasingh5349 3 года назад
It can be as 675 will be negative = -675/101 so remainder will be -69 so now for positive answer 101-69 answer is 32
@shriramanan7915
@shriramanan7915 Год назад
Hi, sir. I believe the divisibility for '11 ' should be calculated digits-wise and not in sets of three like 7 or 13. You explained about this in the "Divisibility 1 video" as well.
@shivanshimathur9146
@shivanshimathur9146 Год назад
I think it would purely depend upon the question, to say which method is the best.
@harrynohara4182
@harrynohara4182 Год назад
Sir 1000/21 gives us remainder as 13 not +1 or -1
@amitpatel4605
@amitpatel4605 5 лет назад
Amazing sir.
@gunjanbengani3335
@gunjanbengani3335 4 года назад
Why did you divide 5647 and 75 separately
@servantoftheservant9428
@servantoftheservant9428 4 года назад
because when we divide 300/4 (taken terms ) it will give us 75 and R=+1
@talesofaphoenix2054
@talesofaphoenix2054 10 месяцев назад
How you solved the 5647 multiply 75 divide by 101
@AbhayBhadoriya2807
@AbhayBhadoriya2807 10 месяцев назад
We have ( 5647 × 75 ) / 101 Since 101×56 = 5656 5656-5647 = neg. Remainder 9 ( -9 ) Similarly when u divide 75 by 101 we will get neg. Remainder of -26 -9 × -26 = 234 / 101 leaves 32 remainder Alternately.. you can solve by taking positive remainders We have (5647 × 75 ) / 101 5647 ÷ 101 -> Quotient = 55 , Remainder= 92 75 ÷ 101 -> Quotient = 0 , Remainder= 75 ( 92 × 75 ) / 101 This also gives remainder - 32 ( this method will taker longer time to calculate)
@sanskratiyadav5315
@sanskratiyadav5315 8 месяцев назад
Where can i practice more questions?
@competitiveexamsimplified4683
@competitiveexamsimplified4683 2 года назад
Time stamp: 6:58 It should be -50 na? The remainder would differ in that case. Please clarify this sir
@ShekharSingh-fr3sh
@ShekharSingh-fr3sh 2 года назад
It should be 50 only. 400-399 + 398-397 + 396+395 +..................+ 304-303 + 302-301. So it's giving the answer- 1+1+1+1+1+.......till 50 times. So the answer will be 50. Hope you got it now.
@diyapiparsaniya3811
@diyapiparsaniya3811 Год назад
It also gives -1for 50 times what about that
@trendingshorts8092
@trendingshorts8092 Год назад
sir can i solve ssc cgl quant question with these cat quant series please reply
@cumulusmusic100
@cumulusmusic100 11 месяцев назад
Thank you Sir 🙏
@amanpathak2889
@amanpathak2889 4 года назад
Sir in Question "5647" question, if 10^4/101 is giving the remainder +1 and this is true for 10^4k/101, then why 10^2k/101 is not following this pattern?
@chaitanyathyagi7360
@chaitanyathyagi7360 4 года назад
10^2/ 101 will give a remainder of -1, so when you square it,i.e it becomes 10^4, now the remainder becomes +1. so 10^2k will always give a negative remainder if the k is an odd number. and it will always return a positive remainder if k is an even number. say 10^6 will leave a remainder of -1 , and say 10^8 will leave 1 as remainder. Remember every multiple of 4 is a multiple of 2 but every multiple of 2 is not necessarily a multiple of 4.
@chaitanyathyagi7360
@chaitanyathyagi7360 4 года назад
I'll tell you the best way to solve this question. 10^4 will give a remainder of 1 everytime . so you break 56475647.... in groups of 4 , since there are 300 digits and 300 is perfectly divisible by 4, you can have (75*5647)/101. it looks complicated but it's not.
@ayushbhargava1062
@ayushbhargava1062 4 года назад
@@chaitanyathyagi7360 answer coming 37 from your method
@ayushbhargava1062
@ayushbhargava1062 4 года назад
@@chaitanyathyagi7360 and by solving 47*75-56*75/101 ii am getting 69 answer
@abeginnerspov5968
@abeginnerspov5968 3 года назад
​@@ayushbhargava1062 you are getting -69. Add this: 101-69 = 32.... Watch the Remainders video first or you wont get it. When the remainder you get is negative and there is no way to get a positive remainder, you have to add the new found remainder with the divisor, which in this case is 101.
@dheerajkumar5642
@dheerajkumar5642 4 года назад
SIR YOU ARE GOAT
@AjaySingh-lh5cy
@AjaySingh-lh5cy 4 года назад
Sir you are great
@satishchodisetti7896
@satishchodisetti7896 2 года назад
Sir in first'question 400/13 ,how the remainder is 1??
@spkbusinessD--
@spkbusinessD-- 3 года назад
shivam kamat (13) 7-8-2021 thank you sir 🙏
@samirvaghasiya1782
@samirvaghasiya1782 3 года назад
Thank you sir ❤️
@deepakgulia3863
@deepakgulia3863 4 года назад
Sir in que 301302303-----------400 at last how 50/11 comes that's I don't understand pls tell me sir pls pls
@vatsalverma4557
@vatsalverma4557 4 года назад
if you understood plzz explain
@souravsushil4251
@souravsushil4251 4 года назад
The question is changed to divisiblty by 11 and for 11 also 10^3 / 11 is -1 and also it comes as sum of digits frm last at odd places minus at even places so it becomes 50 same as with 13 and therfire bcmes 50/11
@itsme-lz6yh
@itsme-lz6yh 4 года назад
in 3 3 grops which is plus and minus subsequently that group u add one to another like 400-399=1 398-397=1 .. . 302-301=1 that one is 50 times so u can get 50*1=50
@shriyapeketi1347
@shriyapeketi1347 2 года назад
Sir please tell me at what power of 10 when divided by 21 leaves +1 or -1 as remainder
@Rodha
@Rodha 2 года назад
10 power 1 only
@jannat_anushkacollection4117
@jannat_anushkacollection4117 2 года назад
@Bhuwan Pandey 4359 Haan bhai 10⁰ pr Remainder+1 aata hai
@unearthedcrux80
@unearthedcrux80 2 года назад
10 power 3 =-1
@piyush313sharma
@piyush313sharma 3 года назад
thank you sir!!!!!
@Anandappus-cq9mu
@Anandappus-cq9mu 5 месяцев назад
explain -10^3 =r=-1 so first starting should be negative right--why +1 starting..why
@humahaider7575
@humahaider7575 Год назад
In the first problem how come there 300 digits?? At the end it’s given 400 digits
@Anandappus-cq9mu
@Anandappus-cq9mu 5 месяцев назад
explain -10^3 =r=-1 so first starting should be negative right--why +1 starting..why
@krupamistry1330
@krupamistry1330 4 месяца назад
When we multiply, 55555.....602 digits, to 602, shouldn't it be multiplied by 301 instead?
@athiyamariamfarookh390
@athiyamariamfarookh390 Месяц назад
No, the sum of digits means adding 5 - 602 times only thus 5*602 is right
@knowyourworld5130
@knowyourworld5130 Год назад
when using divisibility for 21 we are using 7 for divisibility why cant we do for 3 ?
@Rodha
@Rodha Год назад
7 & 3 both
@nikitha4605
@nikitha4605 8 месяцев назад
At 5:00 how exactly did sir get 50? I used sum of n numbers in AP to eventually get the same answer but I'd like to know how he was able to get it directly
@MukeshSahuFilms
@MukeshSahuFilms 8 месяцев назад
brother he made 2 groups from last which consist of 6 digits, which means 300/6 = 50
@parakhkhandelwal7763
@parakhkhandelwal7763 3 года назад
Thanks u sir
@dhruv20
@dhruv20 2 года назад
in 5555.. /21 question ,after getting remainders(1 and 6) in cases of 3 and 7,did sir explain why 7x+6=3y+1 will give remainder, or do I just accept thats how theorem works?
@utgaming21
@utgaming21 2 года назад
You need to watch the remainder videos first and then see the divisibility rules video , then you will understand the whole thing
@kshitijbalonie4361
@kshitijbalonie4361 4 года назад
thankyou
@dingdongyou-tube
@dingdongyou-tube 10 месяцев назад
tysm
@ManuSrivastava_
@ManuSrivastava_ 2 года назад
Thank you so much sir.❤❤
@dhruv20
@dhruv20 2 года назад
in 5555.. /21 question ,after getting remainders(1 and 6) in cases of 3 and 7,did sir explain why 7x+6=3y+1 will give remainder, or do I just accept thats how theorem works?
@shivanibhadoria1049
@shivanibhadoria1049 4 года назад
How did you get -26 ?
@jainamhemanee1125
@jainamhemanee1125 4 года назад
75/101... Remainder would be (-26). Got it?
@jisartjolly714
@jisartjolly714 3 года назад
@@jainamhemanee1125 but I get it as 43 and when I again divided it I got 26
@jisartjolly714
@jisartjolly714 3 года назад
@@jainamhemanee1125 also when we directly do it we will get it as 625/101 r= 19
@jisartjolly714
@jisartjolly714 3 года назад
@@jainamhemanee1125 is there any procedure on taking reminder
@abeginnerspov5968
@abeginnerspov5968 3 года назад
@@jisartjolly714 It's 675. When 75*(47-56) = 75 * (-9) = -675/101 = -69 => 101-69 = 32.... Watch the Remainders video first or you wont get it. When the remainder you get is negative and there is no way to get a positive remainder, you have to add the new found remainder with the divisor, which in this case is 101.
@karanshah6104
@karanshah6104 3 года назад
Where is Chinese Remainder theorem?
@Rodha
@Rodha 3 года назад
Remainders
@sjsthomasnick3002
@sjsthomasnick3002 3 года назад
@@Rodha sir where are the videos regarding peculiar cases of 11 and 9?
@hritikrastogi3335
@hritikrastogi3335 3 года назад
sir if we use 10^6/21 = +1 in place of chinese remainder theorem .......... in question for 555555....602 digit/21............we got remainder 2 instead of 13 ? can u explain sir.
@anushka2602
@anushka2602 Год назад
10^6/21= -1… you’ll get the correct answer
@subburajp1946
@subburajp1946 4 года назад
(Q). 555....602 digits I couldn't able to understand concept of x=0 and y= not an integer and x=1 and y=4. How they yeild 13 as answer pls explain sir.
@anilbhai1652
@anilbhai1652 4 года назад
It's just hit and trail method as they have already said you have to find any one value of X or Y, by finding this you will be able to get the answer of 7X + 6 or 3Y + 1 And your final result after putting value of x or y or both, will be the answer of the question. So 13 is the final answer of the problem.
@ruchi3578
@ruchi3578 2 года назад
@@anilbhai1652 (5×602)/21= (14×5)/21=70/21 /7 Aise krne se 7 answer aa rha h ..ye glt h kya???
@Anandappus-cq9mu
@Anandappus-cq9mu 5 месяцев назад
can any one explain -10^3 =r=-1 so first starting should be negative right--why +1 starting..why
@freshvibes2398
@freshvibes2398 4 месяца назад
Bcz in 1st 3 digits 10^0 is common which gives remainder +1 ..
@premsiraman5211
@premsiraman5211 3 года назад
raviprakash sir ki JAI :-)
@Onlyi397
@Onlyi397 Год назад
Please someone tell me how 75 came ?
@RishabhTiwari-q5r
@RishabhTiwari-q5r 7 месяцев назад
sir what is cheinese Remainder theorem
@tightexample7895
@tightexample7895 Месяц назад
Watch remainders videos
@asubasanthosh4117
@asubasanthosh4117 9 месяцев назад
Why not 101 split into 3x 37? Will I get same answer
@Rodha
@Rodha 9 месяцев назад
How 101 is 37*3 ????
@devanshupadhyay6314
@devanshupadhyay6314 3 года назад
please anyone can help me in last que method 1
@nihalchoudhary3409
@nihalchoudhary3409 4 года назад
I am not understanding that who we will traces the last number for starting number the form of +1 or -1 Please help 😭😭
@vinaychauhan983
@vinaychauhan983 4 года назад
Remember that first number is always +1 and followed by -1+1and so on and if dividend is smaller then divisors then it will always be negative
@ajinkyajadhav3840
@ajinkyajadhav3840 3 года назад
+1 start me hoga Last agar even pair hoge to +1 odd hoge to -1
@priabhavna
@priabhavna Год назад
Can anyone explain why in the last question, in the first method, when we are making two digit groups its alternatively remainder +1 and -1. But in second method for the group of 4 digits, all of them are +1. Please can anyone help 🙏
@princegoud7844
@princegoud7844 Год назад
if you divide 100 by 101 you will get a reminder of -1 and as sir said in previous lecture if the reminder is -1 then it will be -1 alternatively e.g. 10^2 =-1, next 10^2 = +1( to understand why it is so, you should refer lecture 1)........now if you divide 10000 by 101 you will get a reminder of +1 so all pairs of 10^4 will be giving +1 as reminder
@priabhavna
@priabhavna Год назад
@@princegoud7844 thank you!
@hm_t
@hm_t 9 месяцев назад
​@@priabhavnahey nigga have u got into iim?
@hiteshibhanot4055
@hiteshibhanot4055 2 года назад
where is Chinese remainder theorem explained?
@Rodha
@Rodha 2 года назад
In remainders
@riyasood3110
@riyasood3110 2 года назад
what to do in case the number of digits is a prime number ? and also for eg 987987..upto 123 digits divided by 101 ? this one
@dhruv20
@dhruv20 2 года назад
in 5555.. /21 question ,after getting remainders(1 and 6) in cases of 3 and 7,did sir explain why 7x+6=3y+1 will give remainder, or do I just accept thats how theorem works?
@aanchaljain4899
@aanchaljain4899 2 года назад
@@dhruv20 watch the Remainders concepts video for the explanation to your answer, there he has explained the logic of Chinese Remainder theorem which is used here
@aanchaljain4899
@aanchaljain4899 2 года назад
Riya watch the previous video question 345345... (200 digits) - that’ll help you as to how to deal if the number of digits in the question is not exactly divisible in pairs I hope that’ll answer both your questions
@DavidWilliams-ul4vh
@DavidWilliams-ul4vh Год назад
Remainder is 78, that's what I'm getting
@DavidWilliams-ul4vh
@DavidWilliams-ul4vh Год назад
And also -23 both are possible..
@siddhanthvinod3931
@siddhanthvinod3931 3 года назад
can someone explain the first problem why is 10^3/13=-1 why is he taking powers of 10
@reponhardgribs4580
@reponhardgribs4580 3 года назад
as 1001 factor is 13 ,11, 7 so 1000/1001 gives rem as - 1 so 1001 which is a multiple of 13 will also give rem as 1.(13*77=1001)
@hritiksrivastava2432
@hritiksrivastava2432 3 года назад
You need to see the previous video which is divisibility rules and remainder 4 , you will get to know about this rule
@jaseelt3635
@jaseelt3635 5 месяцев назад
Can anyone please clear my doubt ?. If anyone watching this comment please do reply
@pacificspidey7759
@pacificspidey7759 4 года назад
Sir can you pls analyse the IPMAT exam and make videos for them as well? I'm finding these videos a lot difficult.
@jannat_anushkacollection4117
@jannat_anushkacollection4117 2 года назад
Bhai kya ye sara jo Ravi sir padha rhe hai wo sb important hai IPMAT ke liye, mtlb pura padhu inka ki kuch kuch jo bhut hard hai usse chod skta hu
@priyankakannipoti9376
@priyankakannipoti9376 4 года назад
I couldn't understand 7X+6 = 3Y+1 thing. Plz explain it sir:(
@arunadityarajjain1129
@arunadityarajjain1129 4 года назад
watch videos on remainder later in this playlist
@Sm-pd6oy
@Sm-pd6oy 4 года назад
Same doubt how it's 13
@shresthsingh6745
@shresthsingh6745 4 года назад
2:12 Why will the last number be treated as +1 and not -1 ?
@immandisriharsha1800
@immandisriharsha1800 4 года назад
Take 10 power 0 common 10power 0 =1 So 1/x reminder is 1
@daddydoosh8702
@daddydoosh8702 4 года назад
@@immandisriharsha1800 Tu toh studd hai re!!!
@nikhilverma2940
@nikhilverma2940 3 года назад
4:38 sir 50 kaha se aaya?
@hirenrathod2422
@hirenrathod2422 3 года назад
Every Time 1-1 Will Be Add
@NitishDiwakar
@NitishDiwakar 10 месяцев назад
Unable to get it. :(
@Anandappus-cq9mu
@Anandappus-cq9mu 5 месяцев назад
explain -10^3 =r=-1 so first starting should be negative right--why +1 starting..why
@gunjanbengani3335
@gunjanbengani3335 4 года назад
Please explain the last question again sir
@Anandappus-cq9mu
@Anandappus-cq9mu 5 месяцев назад
explain -10^3 =r=-1 so first starting should be negative right--why +1 starting..why
@jayshreewasnik5024
@jayshreewasnik5024 3 года назад
Can anyone help with the concept of-9 and -26 for the last question
@saumyatripathi2212
@saumyatripathi2212 3 года назад
Divide 5647 by 101 positive reminder is 92 Negative reminder is -9(101-92) Same with 26(negative remainder)
@Saarconic
@Saarconic Год назад
13:50 where the hell this 13 come from
@purvifying
@purvifying Год назад
Put the value of x/y in the equation... like 7(1)+6=13
@zzzz6038
@zzzz6038 4 года назад
Can someone explain me the 5555_______602digits/21 wala question?
@abhinavkumar2168
@abhinavkumar2168 4 года назад
watch remainder theorem video first than you will get this!
@kavipriyar39
@kavipriyar39 3 года назад
what is the remainder when 123456123456... (300 digits) divided by 101 can anyone help me with this ?
@aryanmishra1550
@aryanmishra1550 Год назад
It is completely divisible by 101, so 0 remainder will come. Pls correct me if I'm wrong 😄😄
@JanviRath
@JanviRath 4 месяца назад
I think it's 84
@abhishekgupta1336
@abhishekgupta1336 4 года назад
How to find value of X and y?
@itsme-lz6yh
@itsme-lz6yh 4 года назад
take x=1 and u can get y value
@kunalmjain
@kunalmjain 4 года назад
Using Chinese rem theoram
@bhaskarmaniraj
@bhaskarmaniraj 4 года назад
Watch linear equtions video.
@arunadityarajjain1129
@arunadityarajjain1129 4 года назад
watch remainders videos later in playlist
@tprasanyashroff2908
@tprasanyashroff2908 3 года назад
Is this the last lecture of divisibility?
@Rodha
@Rodha 3 года назад
there are more questions in practice session of Numbers
@SouvikBiswasshreyashib
@SouvikBiswasshreyashib 5 лет назад
😍
@oberoiswisdom9589
@oberoiswisdom9589 4 года назад
So there's a huge flaw here. He made a small mistake in calculation. The answer in the last 2 methods are wrong. The negative remainder for 75 by 101 is not 26. It's actually - 49.26 is the positive remainder where as 49 is the negative remainder. So just substitute the value of 26 with 49 and you'll get the answer. If you don't understand what I'm saying here just watch his next video. He explains it himself
@ashishprakash3231
@ashishprakash3231 4 года назад
where does this 49 came from?
@oberoiswisdom9589
@oberoiswisdom9589 4 года назад
@@ashishprakash3231 75 devided with 101 is +26 or - 49
@akshat9282
@akshat9282 4 года назад
@@oberoiswisdom9589 bro you are wrong. 75 divided by 101 hai, not 101 divided by 75. 75 = 101 * 0 + 75 or 75 = 101 * 1 - 26, so 75 is positive remainder and -26 is negative remainder
@rahuknp
@rahuknp Год назад
which vdo can you plz share the link
@HarshKumar-go5ne
@HarshKumar-go5ne 3 года назад
In Q 564756475647...........300digits? Remainder =,? How 75×(-9) /101=-26×(-9) /101 How 75/101, s remainder is -26
@piyushjain1291
@piyushjain1291 Год назад
I also want to know this
@sadasivamsubramoniam1305
@sadasivamsubramoniam1305 2 года назад
Thank you sir 🙏
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