How many different ways can the letters of the word ‘DEMONETIZATION’ be arranged?
How many three-letter words can be formed such that all letters are vowels, and no two letters are the same?
7 children are to be selected from a group of 8 boys and 6 girls. In how many ways will the children with at most 3 girls and at least 4 boys be selected?
In how many ways can the letters of the word VOWEL can be arranged so that all the consonants occupy odd places, vowels come on even places?
Find the quantity of methods of picking 4 cards from a set of 52 playing cards if four cards are of the same unit?
Anuj has eight friends whom he wants to invite for dinner. In how many ways can he invite at least four friends?
In how many different ways can 4 blue beads and 3 red beads be arranged in a row such that all the blue beads are together and all the red beads are tog...
How many different nine digit numbers can be formed from the number 66 55 99 222 by rearranging its digits so that the odd digits occupy even positions...
In how many ways can a group of 2 boys and 2 girls be made out of a total of 6 boys and 4 girls?
A committee of 4 people is to be formed from a group of 10 individuals. If 2 specific individuals refuse to work together, how many different committees...
