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The number of zeros at the end of the fo...

The number of zeros at the end of the following expression:
`P = {(2 xx 4 xx 6 xx 8 xx 10 xx .. 50) xx (55 xx 60 xx 65 xx 70 xx 75 xx …..100)}`

A

less than 20

B

57

C

20

D

36

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The correct Answer is:
A
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