In a class of 60 boys, there are 45 boys who play cards and 30 boys play carrom. Using set theory, find:
(i) How many boys play both games.
(ii) How many'boys play cards only.
(iii) How many boys play carroms only.

In a class of 35 students , 24 likes to play cricket ,16 likes to play football. Also each student like to play at least one of the two game . How many likes to play both cricket and football?

In how many ways can 5 boys be seated at a round table?

There are 50 children ina class.Thirty of them are girls . There are 40 children in another class. 25 of them are boys.One student is taken from each class at random. What is the number of outcomes ? How many out comes contain both boys. How many outcomes contain both girls. How many out comes have one boy and one girl.

There are 40 children in a class and 50 % of them are boys. How many boys are there in this class?

In how many ways can 5 girls and 3 boys be seated in a row so that no two boys are together?

In a school there, are 1240 children and 30 % of them are girls. How many boys are there in the school?

Consider a group of 5 boys and 4 girls In how many ways 3 boys can be selected from the group?

In a class there are 25 boys and 10 girls. The teacher wants to select 1 boy and 1 girl to represent the class in-a function. In how many ways can the teacher make the selection

In how many ways 4 boys and 3 girls be seated in a row of 7 chairs if the boys and girls are to be seated alternately and the boys occupy odd places.

A class has 4 more girls than boys. One day when only 8 boys were absent, the number of girls were twice that of boys. How many girls and boys are there in the class?