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 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 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 the letters of the word ARTICLE can be arranged so that even places are always occupied by consonants is 576 b. \ ^4C_3xx4! c. 2xx4! d. none of these

Number of pyramids in the kidney of a man are (a) 4 (b) 6 (c) 8 (d) 12

Total number of faces of a cuboid is (a) 4 (b) 6 (c) 8 (d) 12

Total number of edges of a cuboid is (a) 4 (b) 6 (c) 8 (d) 12

Number of ways in which a lawn-tennis mixed double be made from seven married couples if no husband and wife play in the same set is a. 240 b. 420 c. 720 d. none of these

The number of ways in which 6 men can be arranged in a row so that three particular men are consecutive is 4!xx3! b. 4! c. 3!xx3! d. none of these

Number iof ways in which m men and n women can be arranged in a rwo so that no two women are together is m!^(m=1)P_n Also number oif ways in which m men and n women can be seated in a row so that all the n women are together is (m=1)!n! On the basis of above informatiion answer the following question: Number of ways in which 10 boys and 5 girls can be seated in a row so that no boy sits between girls is (A) 5!xx10_P_5 (B) 5!xx11_P_5 (C) 10!xx11_P_5 (D) 5!xx11