Question

What is the number of zeros at the end of the product of the number from 1 to 100?

• A. 20
• B. 21
• C. 22
• D. 24

Answer 1

Answer:

D. 24

Highest power of 2 in 100! is 97 And highest power of 5 in 100! is 24 Each pair of 2 and 5 will give rise to a 10 or a zero at the end. Hence the number of zeroes at the end in 100! is equal to 24.