In a theatre, of the people present are 3
men, are women and rest are children.
There are 400 people in the theatre.
How many children are there in the
theatre?
A. 60
B. 80
C. 200
D. 250

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?