Permutation Combination
How many different words can be formed by jumbling the letters
How many different words can be formed by jumbling the letters in the word MISSISSIPPI in which no two S are adjacent?
- 6 . 7 . 8C4
- 7 . 6C4 . 8C4
- 8 . 6C4 . 7C4
- 6 . 8 . 7C4
If the letters of the word SACHIN are arranged in all possible ways
If the letters of the word SACHIN are arranged in all possible ways and these words are written out as in dictionary, then the word SACHIN appears at serial number
- 600
- 601
- 602
- 603
The number of ways in which 6 men and 5 women can dine
The number of ways in which 6 men and 5 women can dine at a round table if no two women are to sit together is given by
- 5! x 6!
- 5! x 4!
- 7! x 5!
- 30
Total number of four digit odd numbers that can be formed
Total number of four digit odd numbers that can be formed using 0, 1, 2, 3, 5, 7 are
- 216
- 375
- 400
- 720
From 6 different novels and 3 different dictionaries
From 6 different novels and 3 different dictionaries, 4 novels and 1 dictionary are to be selected and arranged in a row on a shelf so that the dictionary is always in the middle. Then the number of such arrangements is
- at least 750 but less than 1000
- at least 500 but less than 750
- less than 500
- at least 1000
Number greater than 1000 but less than 4000 is formed
Number greater than 1000 but less than 4000 is formed using the digits 0, 2, 3, 4 when repetition allowed is
- 105
- 125
- 128
- 625
The number of ways of selecting 15 teams from 15 men and 15 women
The number of ways of selecting 15 teams from 15 men and 15 women, such that each team consists of a man and a woman, is:
- 1880
- 1120
- 1240
- 1960