Question

Check whether 4n and 6n can end with the digit 0, where n is any natural number

Answer 1

4and 6 end with zero Because natural no. starts with 1 ,2,3,4 so according to this base 6and4 end with zero
6×5=30
4×5=20
so 6 and 4 end with zero

Answer 2

ok think it is useful