Permutations and Combinations
There are 5 white and 5 black balls marked 1,2,....5. In how many ways can these balls be arranged in a row so that balls of different colours are alternate?
Connecting you to a tutor in 60 seconds.
Get answers to your doubts.
In how many ways can be letters of word ASSASSINATION be arranged so that all the S's are together?
Everybody in a function shakes hand with everybody else. The total number of handshakes are 45. Find the number of persons in the function.
A committee of 7 has to be formed from 9 boys and 4 girls. In how many ways can this be done when the committee consists of:(i) exactly 3 girls?(ii) at least 3 girls?(iii) at most 3 girls?
In how many ways can one select a cricket team of eleven from 17 players in which only 5 players can bowl if each cricket team of 11 must include exactly 4 bowlers?
If repetitions are not allowed, the number of four digit numbers divisible by 5 and formed with the digits 0,1,2,3,4,5,6 is
The number of ways in which all the letters of the word HUSSEY be arranged so that two S are never together is
In how many ways can 13 question papers be arranged so that the best and the worst are never come together?
A bag contains 5 black and 6 red balls. Determine the number of ways in which 2 black and 3 red balls can be selected.