Question

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Answer 1

3^5-1

242

divisible by 11

Answer 2

The correct answer is option (A) 5

Because,

2^5 - 2

= 32-3

= 30

Which is completely divisible by only 5 among the given integers.

Again,

3^5 - 3

= 243 -3

= 240

Which is also only divisible by 5 among the given integers

And so on..............

So, the answer is 5.

Thanks................