Q. 25.0( 2 Votes )

# If 64y8 is exactly divisible by 3, then the least value of y is

A. 0

B. 1

C. 2

D. 3

Answer :

We know that if sum of digits of a number is divisible by 3, then the number is divisible by 3.

Here,

6 + 4 + y + 8 = multiple of 3

18 + y = 0, 3, 6, 9, ….

Hence,

18 + y = 18

∴ y = 0

the least value of y is 0.

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