Permutation
Trending Questions
Q. In how many ways can the letters of the word STRANGE be arranged so that the vowels may appear in the odd places?
- 1092
- 1440
- 720
- none of these
Q. 5 men and 4 women are to be seated in a row so that the women occupy the even places. How many such arrangements are possible?
- 2880
- 1440
- 720
- 2020
Q. How many different signals can be given using any number of flags from 6 flags of different colours?
- 3976
- 1240
- 1956
- 1976
Q. 15 persons which include A, B, C are to speak at a function. Find the number of ways in which it can be done, if A wants to speak before B and B wants to speak before C.
- 15C3
- 12C3
- 15C3×12!
- 15C3×3!
Q. In how many ways three different rings can be worn in four fingers with at most one in each finger?
- 24
- 12
- 36
- 120
Q. There are 10 stations on a certain relway line. How many different kinds of tickets of class IInd must be printed in order that a passenger mayh go from one station to any other by purchasing ticket?
- 90
- 135
- 45
- 100
Q. The total number of integral solutions for (x, y, z) such that xyz = 24 is
- 36
- 90
- 120
- None of these
Q. How many different signals can be made by taking 3 different coloured flags at a time from 5 different coloured flags?
- 120
- 60
- 15
- 125
Q. If B3 can have only C1 or C5, in how many ways can you arrange the caps such that all boxes have one cap?
- 480
- 420
- 48
- 88
Q. How many different signals can be made by taking 3 different coloured flags at a time from 5 different coloured flags?
- 120
- 60
- 125
- 15