New Workshop on Job Profile of RBI Grade B Officer by Susheel Ragade sir

Question

A number, when divided by 987, gives a remainder 59. When the same number is divided by 21, what is the remainder ?

Q: A number, when divided by 987, gives a remainder 59. When the same number is divided by 21, what is

Let number = x x = 987k + 59 (where k is any integer) `=>x=47xx21xx+2+17` `=>x=21(47k+2)+17` Required remainder = 17

A 21

B 19

C 17

D 15

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Question

A number, when divided by 987, gives a remainder 59. When the same number is divided by 21, what is the remainder ?

Solution

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