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 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 game can be arranged from amongst 5 maried couples if at least one husband and wife play in the same game (A) 200 (B) 140 (C) 60 (D) none of these

The number of ways in which a mixed double game can be arranged from amongst 5 maried couples if at least one husband and wife play in the same game (A) 200 (B) 140 (C) 60 (D) none of these

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