How many different words can be formed using all the letters of the word ALLAHABAD?</br> (a) When vowels occupy th…

How many arrangements of four 0's (zeroes), two 1's and two 2's are there in which the first 1 occur before the first 2?

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

There are eight boxes of chocolates, each box containing distinct number of chocolates from 1 to 8. In how many ways fou…

In how many different ways can the letters of the word DAILY be arranged?

Out of eight crew members three particular members can sit only on the left side. Another two particular members can sit…

If the letters of the word CHASM are rearranged to form 5 letter words such that none of the word repeat and the results…

Goldenrod and No Hope are in a horse race with 6 contestants. How many different arrangements of finishes are there if N…