Q. 55.0( 8 Votes )
Can the num
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
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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