In how many ways 2 students can be chosen from the class of 20 students?

How many words of 4 consonants and 3 vowels can be made from 12 consonants and 4 vowels, if all the letters are differen…

There are five women and six men in a group. From this group a committee of 4 is to be chosen. How many different wa…

In how many ways can a leap year have 53 Sundays?

How many ways can 4 prizes be given away to 3 boys, if each boy is eligible for all the prizes?

A local delivery company has three packages to deliver to three different homes. if the packages are delivered at random…

In how many ways a committee, consisting of 5 men and 6 women can be formed from 8 men and 10 women?

There are 10 points in a plane out of which 4 are collinear. Find the number of triangles formed by the points as vertic…