can the number 6 and, and being a natural number, and with the digit 5 ?give reason
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Consider the number 6n , for n a natural number.A number ending with digit 5, must be divisible by 5.But 6 x 5 =30.So 6 multiplied by any multiple of 5 has last digit zero.so the last digit of 6n can never be 5.
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