Permutation and CombinationHard
Question
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 -
Options
A.756
B.3024
C.1512
D.6048
More Permutation and Combination Questions
The number of proper divisors of apbqcrds where a, b, c, d are primes & p, q, r, s ∈ N is -...The number of words formed with the letters of the word ′JODHPUR′ in which P,U, R never come together, is-...The number of ways in which at least one fruit can be selected from 5 oranges, 4 apples and 3 bananas is-...How many divisors of 21600 are divisible by 10 but not by 15?...A set contains (2n + 1) elements. If the number of subsets of this set which contain at most n elements is 4096, then th...