O-Level Math D October November 2017 Paper 12 4024/12

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O Level Mathematics Syllabus D October November 2017 Paper 12 4024/12 Past Papers Full Solutions
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Комментарии : 113

@OALevelMathematics 3 года назад

**NOTE** I made a silly mistake in Question 24. (anywhere you see 8, replace by 18). Methods used are same. *** Answers should be (a) 21, (b) 18/20 (c) 420 ***

@nhk451f 3 года назад

Your contents are a game changer. You sir, explain the topics better than my school teachers.

@hassanrehman4465 3 года назад

No, the answers are still wrong

@nessenmunisami3293 3 года назад

I am just watching this

@aidenwilliam458 3 года назад

I know I am kind of off topic but does anyone know of a good place to stream new series online?

@wildhour6955 2 года назад

@@hassanrehman4465 you high man? It's literally the same as marking scheme

@aayanaltaf7859 3 года назад

This guy makes every question easy 😂

@farhanshah5966 Год назад

2017 was so difficult tbh…I feel like papers got easier after 2017 😮

@Nico-ef7bt 3 года назад

i must admit that from all past papers starting from 2015 to 2020 i found this one quite challenging from all.

@OALevelMathematics 3 года назад

Challenging but doable ( you got this )

@Norman_Lazarevich 3 года назад

Wait for paper 22 May June 2021😂😥😭

@Nico-ef7bt 3 года назад

@@Norman_Lazarevichyeah i worked it im waiting for the channel to upload the walkthrough.

@hurabbas6144 3 года назад

@@Norman_Lazarevich lmao my exams were cancelled due to covid

@TheTemporaryLasters Год назад

@@Norman_Lazarevich too easy. The only hard questions are transformation matrices and rotations. Vectors can be done with a strategy.

@swordyt3964 5 месяцев назад

50:52 why do we use 3 why not 4?

@zafeershahed4857 4 месяца назад

you made a mistake in question 24 (c) it should be n^2 +n

@uzmakhursheed5303 5 месяцев назад

In question 24 why did u write 4

@Dosteyboi Год назад

56:36 why did you take OT = s(OM)? OM is longer so OT should multiply with a constant to be equal to it, right?

@btsinthemess974 Год назад

yeah. these points are collinear so their gradient is same

@na-ol7sp 3 года назад

For question 26(c) shouldn’t it be n^2+n because we have 4n-3n and then +n Idk if it makes sense but I think it should be n^2+2 instead of n^2-n

@na-ol7sp 3 года назад

At around 54:27

@OALevelMathematics 3 года назад

@@na-ol7sp should be n^2+n

@horrormysterycasefiles Год назад

People must be crying giving this

@roberttoulouse5013 3 года назад

question 24 .. 30 - 12 = 18 and not 8.. All the answers for q. 24 are wrong..

@carlover9347 Год назад

Sir kindly tell that why the probability of missing was taken as 0.3?... In question 19?

@btsinthemess974 Год назад

1-0.7= 0.3. if the probability of an event is 1, there are 100% chances its gonna occur.

@carlover9347 Год назад

@@btsinthemess974 ooo thanks alot

@hooriahasan73 Год назад

In Q 25, there is a solid line on graph, so shouldnt you write less than or equal to sign..

@Xaviery8613 3 года назад

In question 19 , i forgot a little bit about the probability chapter So can someone help me please , how do you get the 0.3 ? How do you calculate it ?

@loic7936 3 года назад

0.7 = 7/10 So... 10/10 - 7/10 = 3/10 which equals to 0.3

@areebaamin8687 2 года назад

idk if you still want help but probability is always equal to 1 so 1 - 0.7 = 0.3

@inokapriyangani3132 2 года назад

@@loic7936 cn I know pls from where did u get 10 pls?

@ikeyy344 2 года назад

thank your for explaining why we couldn't use the volume formula in qs 18b thank you huhu

@robz8871 2 года назад

Alors Ragoo, pé get video pou fer devoir tou?

@harshragoo5342 2 года назад

.l.

@moiz783 4 месяца назад

54:24 You made a huge mistake in Q26 part c, as the answer is supposed to be, ‘n2+n’ not ‘n2-n’. You can check the marking scheme too, you made me so bewildered and doubted on my own self. Please drink coffee before solving. Your mistakes can put a bad impact for the candidates, for the sake of their future please solve sanely. Thankyou.

@mandown3448 Месяц назад

Question 26.(c) answer is n^2 + n NOT n^2 - n

@shoxozozo 2 года назад

Sir can u please tell about how will we know when to apply equals to along with the inequality sign in q25 part a and when not to?

@reonmel8523 Год назад

when its a dotted line you dont apply equals to and when its a solid like you do apply. but if this rule is not followed in the given inequality then you should also just use the sign they used for the given inequality in ur answers.

@shoxozozo Год назад

@@reonmel8523 ty for answering but I'm no longer in o levels now haha. I started a levels few months ago!!

@farzanatabassum708 2 года назад

In question 5 part b you can't borrow a carry from HOUR for MINUTES so I have a slight doubt in that

@yasirlatif2920 3 года назад

An angel for us

@humayunraja5585 3 года назад

43:03 isn't PQ suppose to be more than 5cm??

@taaha8664 2 года назад

4.3-4.9

@muhammad.shaarif 4 месяца назад

Why Didn’t You Put Less Than Or Equal To Q.25 (a)

@zakirali4403 Год назад

@O A Level Mathematics For Q 25 (b) why can't we round off k = 3.5 to k = 4 ?

@OALevelMathematics Год назад

The question states that k is an integer. so we can't use decimals

@SanaNafees-ig5rp 5 месяцев назад

@@OALevelMathematics yes but 4 is not a decimal no. , i am also confused as to why we round off 3.5 to 3 instead of 4

@lol-wf5lm 3 года назад

14:19 may i ask why did u plus one in 30+1/2

@Dosteyboi Год назад

You probably don't still want to know but if anyone else is wondering, this is because of the formula for median when you are given the data simply as a table or numbers, you do n+1 /2 to get the median

@sulaimanahmad9213 5 месяцев назад

Thankyou Man🙏🙏🙏

@JohnWick-xy5nv 3 года назад

You can consider doing q.27 as a req video🤞

@moinhassan6500 4 месяца назад

Your question 26 is wrong at end it is n square + n 54:03

@jcproduction8892 2 года назад

Thanks sir

@easylearning3876 2 года назад

Q24 part a is still wrong after changing it from 8 to 18

@drchakeelcoomarprayagsing592 2 года назад

whats the good answer

@taaha8664 2 года назад

@@drchakeelcoomarprayagsing592 21

@yasirlatif2920 3 года назад

Question no.20 what's the chapter name?

@OALevelMathematics 3 года назад

Algebra

@shiningwizard6963 3 года назад

Coordinate Geometry

@bunny3536 Год назад

I was wondering for locus q 11 does everyone lenght of pq varies? My drawing is correct but the reading is not same.is it a print problem?

@OALevelMathematics Год назад

Not a problem. Since the paper has been printed on a different scale.

@bunny3536 Год назад

@@OALevelMathematics thankyou soo much for replying.

@justsmart1834 4 месяца назад

Question 24 part (a) done wrong. answer is 21

@mohammedzakria7871 7 месяцев назад

your question number 24 part c is wrong

@immasavagebro2845 3 года назад

How and from where did the s constant come from in the final most part of the paper

@OALevelMathematics 3 года назад

It is a multiple ( constant, i can call it s, c, w ). The idea is that if a vector a is parallel to a vector b, we can say that a is a multiple of b. ( a = sb) ( where s is a constant)

@immasavagebro2845 3 года назад

@@OALevelMathematics Thanks, that makes sense. You applied S const on OM vector. OT=S OM But why not SOT=OM?

@OALevelMathematics 3 года назад

@@immasavagebro2845 why not? I never said that was not an option. it works too.

@immasavagebro2845 3 года назад

@@OALevelMathematics Damn, i am smart.

@rayyansiddiqui5497 Год назад

Man this paper was very very challenging

@CRAX1606 Год назад

30:20 why did u not multiply 11x6 by 2 plz tell quick?

@btsinthemess974 Год назад

11x6 tells us the area of the top and the base. since its an open tray, the lid(top) is missing so we wont consider it in our calculation of finding the surface area