Question

the numbers 1, 3, up to 25 are multiplied together the number of zeros at the right end of the product is

Answer 1

1*3*5=15 ; Now if we multiply any odd no. With a no. ending with 5 then we found also a new no. ending with 5. Hence, the no. of zeroes at the right end of the product is zero.

so answer is( 0)