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Sir, in binary to hexa conversion. 10101=15, u got it right at first, but u replaced 15 by F. It's wrong. Just think about it a moment, if u got decimal value as 21 then hexa value has to same when converted. If u convert 15 hexa to deciamal it is 21. Just u mentioned at start, F=15 then 16(Decimal)=10(Hexa), 17=11, 18=12, 19=13, 20=14, 21=15. And thank you for explanations. It quite long since I studied it, it was good .
Sir where you represented 15 as F at minute 17 and 40 seconds is incorrect. It would be 15 only as it is made out of two pairs not one. if it had been pair of 1111 then it would have been termed as F
Sir I have some confusion here- If the decimal of (10101) is 21 then 21 converted to hexa is 15(16) not F sir, since F(16) = 15(10) and 15(16) = 21(10) 17:33 minutes per ye confusion haein