Permutation and CombinationEasy
Question
If nPn= 720, then n equals-
Options
A.2
B.4
C.6
D.8
More Permutation and Combination Questions
50C36 is divisible by...The number of ways in which at least one fruit can be selected from 5 oranges, 4 apples and 3 bananas is-...Sameer has to make a telephone call to his friend Harish, Unfortunately he does not remember the 7 digit phone number. B...Six married couple are sitting in a room. Number of ways in which 4 people can be selected so that there is exactly one ...In how many way can a game of tennis be played from 3 men and 4 women when each team contains one man and one woman-...