There are 60 boys and 40 girls in a class. A student is selected at random.Find the probability that student is a girl.

A class has 20 girls and 16 boys. One student is selected at random. Find the probability that the student is a girl.

There are 20 boys and 15 girls in a class of 35 students . A student is chosen at random . Find the probability that the chosen student is a (i) boy (ii) girl .

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

In a class of 50 students, 20 are boys and rest are girls. A student is selected at random. Find the probability of selecting a boy.

In a class of 50 students, 20 are boys and rest are girls. A student is selected at random. Find the probability of selecting a boy.

In a class, there are 10 boys and 8 girls. When 3 students are selected at random, the probability that 2 girls and 1 boy are selected, is

A class consists of 10 boys and 8 girls. Three students are selected at random. Find the probability that the selected group has : all girls.