Q. 55.0( 8 Votes )

Can the num

Answer :

Given number is 6n, where n is the natural number ending with digit 5.

So the number must be divisible by 5, if take first natural number ending with 5.

6n = 6 × 5

= 30

So 6 multiplying by any multiple of 5 has last digit zero

So the last digit of 6n can never be 5.

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