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Q.

If the number 65x5 is divisible by 3, then the least digit to replace  ‘x’ is

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a

2

b

1

c

0

d

3

answer is B.

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Detailed Solution

For 3 divisibility rule 6+5+x+5=3multiple

16+x=3multiple

Next 3 multiple is 18

16+x=18⇒x=18−16=2

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