The number of ways in which a mixed double tennis game be arranged between 10 players consisting of 6 men and 4 women?

The number of weays in which a mixed doubles tenis game can be arranged between 10 players consisting of 6 men and 4 women is (A) 180 (B) 90 (C) 48 (D) 12

The number of weays in which a mixed doubles tenis game can be arranged between 10 players consisting of 6 men and 4 women is (A) 180 (B) 90 (C) 48 (D) 12

The number of ways in which a mixed doubles tennis game can be arranged from 9 married couples:

The number of ways in which a mixed doubles tennis game can be arranged from 9 married couples:

The number of ways in which a mixed double tennis game can be arranged from amongst 9 married couple if no husband & wife plays in the same game is:

The number of ways in which a mixed double tennis game can be arranged from amongst 9 married couple if no husband & wife plays in the same game is:

The number of ways in which a mixed double game can be arranged from amongst 9 married couples if no husband and wife play in the same game is

The number of ways in which a mixed doubles game can be arranged from 9 married couples if no husband and wife play in the same game is:

The number of ways that a mixed doubles tennis game can be arranged from 7 married couples if no husband and wife play in the same game is