From a total of six men and four ladies a committee of three is to be formed. If Mrs. X is not willing to join the commi…

A selection committee is to be chosen consisting of 5 ex-technicians. Now there are 12 representatives from four zones. …

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

In how many different way can the letters of the word WEDDING be arranged?

Find the number of triangles which can be formed by joining the angular points of a polygon of 8 sides as vertices.

There are five comics numbered from 1 to 5. In how many ways can they be arranged, so that part-1 and part-3 are never t…

12 chairs are arranged in a row and are numbered 1 to 12. 4 men have to be seated in these chairs so that the chairs num…

In how many ways can 5 different toys be packed in 3 identical boxes such that no box is empty, if any of the boxes may …