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

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

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

5 Indian & 5 American couples meet at a party& shake hands. If no wife shakes hands with her own husband & no Indian wife shakes hands with a male, then the number of hand shakes that takes place in an party

In a party of 30 people eah shakes hands with the others, Number of hand shakes took place in the party is

There are n married couples at a party. Each person shakes hand with every person other than her or his spouse. Find the total m of hand shakes.

There are n married couples at a party. Each person shakes hand with every person other than her or his spouse. Find the total no. of hand shakes.

If there are 12 persons in a party, and if each two of them shake hands with each other, how many handshake happen in the party?

If there are 12 persons in a party, and if each two of them shake hands with each other, how many handshakes happen in the party?

The probability that a married man watches a certain T.V. show is 0.6 and the probability that a married woman watches the show is 0.5. The probability that a man watches the show given that his wife does watch is 0.8. If the probability that a wife watches the show given that her husband does watch is k, then (1)/(k) is equal to

Twelve persons meet in a room and each shakes hand with all others. Find the number oif hand shakes.