In a party every person shakes hands with every other person. If there are 105 h
In a party every person shakes hands with every other person. If there are 105 hands shakes, find the number of person in the…
In how many ways can six different rings be worn on four fingers of one hand?
In how many ways can six different rings be worn on four fingers of one hand?
The number of positive integers which can be formed by using any number of digit
The number of positive integers which can be formed by using any number of digits from 0, 1, 2, 3, 4, 5 without repetition.
In the next World cup of cricket there will be 12 teams, divided equally in two
In the next World cup of cricket there will be 12 teams, divided equally in two groups. Teams of each group will play a…
In how many ways can live boys and three girls sit in a row such that all boys s
In how many ways can live boys and three girls sit in a row such that all boys sit together?
There are 10 person among whom two are brother. The total number of ways in whic
There are 10 person among whom two are brother. The total number of ways in which these persons can be seated around a round…
Three flags each of different colours are available for a military exercise, Usi
Three flags each of different colours are available for a military exercise, Using these flags different codes can be generated by waving I. Single…
If letters of the work KUBER are written in all possible orders and arranged as
If letters of the work KUBER are written in all possible orders and arranged as in a dictionary, then the rank of the word…
How many three letter words are formed using the letters of the word TIME?
How many three letter words are formed using the letters of the word TIME?
A mixed doubles tennis game is to be played two teams(each consists of one male
A mixed doubles tennis game is to be played two teams(each consists of one male and one female) There are four married couples. No…
A boy has nine trousers and 12 shirts. In how many different ways can he select
A boy has nine trousers and 12 shirts. In how many different ways can he select a trouser and a shirt?
In a question paper, there are four multiple choice type questions, each questio
In a question paper, there are four multiple choice type questions, each question has five choices with only one choice for it’s correct answer….