Permutation and CombinationHard
Question
The number of ways in which 3 persons can occupy 6 rooms separately is-
Options
A.2
B.20
C.120
D.216
More Permutation and Combination Questions
10 different letters of an alphabet are given. Words with 5 letters are formed from these given letters, then the number...There are four balls of different colours and four boxes of colours same as those of the balls. The number of ways in wh...In a conference 10 speakers are present. If S1 wants to speak before S2 & S2 wants to speak after S3, then the number of...2nPn is equal to...The number of 4 digits odd numbers formed with the digits 0,1,2,3,4 and 5 is (Rept.not allowed)...