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The number of zeros at the end of 70!, i...

The number of zeros at the end of 70!, is

A

The number of 6-digit numbers formed using all the digits 1, 2, 3, 4, 5, 6 divided by `""^(10)C_(2)`

B

The number of 6- digit numbers formed using all the digits 1, 2, 3, 4, 5, 6 divided by 10.

C

Twice the number of 4-digit numbers formed using 4 of the digits 1, 2, 3, 4, 5, 6 divided by `""^(10)C_(2)`

D

The number of 4- digit numbers formed using 4 of the digits 1, 2, 3, 4, 5, 6 divided by 5

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The correct Answer is:
A, C
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