2 boys and 2 girls are in Room X and 1 boy and 3 girls in Room Y. Specify the sample space for the experiment in which a room is selected and then a person.

2 boys and 2 girls are in room P and 1 boy 3 girls are in room Q.write the sample space for the experiment in which a room is selected and then a person.

From a group of 3 boys and 2 girls, we select two children. What would be the sample space for this experiment ?

Select two persons from a group of 3 boys and 2 girls. Describe the sample space.

From a group of 2 boys and 3 girls,two children are selected.Find the sample space associated to this random experiment.

A committee of 2 boys and 2 girls is to be slected from 4 boys and 3 girls . In how many ways can this be done ?

In a class there are 20 boys and 15 girls. In how many ways can 2 boys and 2 girls be selected?

The average score of a class of boys and girls in an examination is A .The ratio of boys and girls in the class is 3:1. If the average score of the boys is A+1, the average score of the girls is A-1 (b) A-3 (c) A+1 (d) A+3

From 10 boys and 20 girls, a committee of 2 boys and 3 girls is to be formed. In how many ways can this be done if a particular girl is included

From 10 boys and 20 girls, a committee of 2 boys and 3 girls is to be formed. In how many ways can this be done if a particular girl is excluded