Out of 15 students studying in a class, 7 are from Maharashtra, 5 from Kamataka and 3 from Goa. Four students are to be selected at random. What are the chances that at least one is from Karnataka?

How many ways 3 students can be selected from 50 students ?

A class has 12 boys and 4 girls. If three students are selected at random from the class, what is the probability that all will be boys?

A class has 15 boys and 5 girls. Suppose three students are selected at random from the class. Find the probability that they are all boys.

In a group of students , there are 3 boys and 3 girls . Four students are to be selected at random from the group . Find the probability that either 3 boys and 1 girl or 3 girls and 1 boy are selected .

A school has five houses A, B,C,D and E. A class has 23 students, 4 from houses A, 8 from house C, 2 from house D and rest from house E. A single student is selected at random to be the class monitor. The probability that the selected student is not from A, B and C is

There are 35 students in a class of whom 20 are boys and 15 are girls. From these students one is chosen at random. What is the probability that the chosen student is a (i) boy, (ii) girl?

A class has fifteen boys and five girls. Suppose three students are selected at random from the class. The probability that there are two boys and one girl is

Out of 32 students,8 are absent from the class. What is the percentage of the students who are absent?

In a class,there are 15 boys and 10 girls.Three students are selected at random,Find the probability that one girl and two boys are selected