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5 Indian and 5 Russian couples meet at a...

5 Indian and 5 Russian couples meet at a party and shake hands.
The probability that no wife shakes hands with her husband and no Indian wife shakes hands with a male is

A

m = 135

B

m is divisible by 5

C

m is divisible by 7

D

m is divisible by 3

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The correct Answer is:
A
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