Numbers 2, 4, 6, 8, 10, ....., 196, 198, 200 are multiplied

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Numbers 2, 4, 6, 8, 10, ....., 196, 198, 200 are multiplied together. The number of zeros at the end of the product on the right will be equal to —

1. 21
2. 22
3. 24
4. 25

Correct Option: C

When we multiply 2 and 5 (at unit place) we get a zero
∴ Number of zeros = The number of zeros in the end in the
product of 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, 140, 150, 160, 170, 180, 190
and 200 = 24