A group consists of 9 boys and 7 girls. In how many ways can 4 boys and 3 girls be selected from the group?
In how many ways can 5 boys and 3 girls be arranged in a row so that no two girls sit together?
How many four digit numbers greater than 5000 can be formed with the digits 4 ,5, 7, 8, and 9? Â
In how many different ways can 6 History and 5Hindi books be arranged in a shelf so that they are arranged alternately?
In how many ways can 17 members be seated in two lines with seating capacity of 9 and 8 members respectively?
1.    9! ×8!
2.   �...
- Seven people are to be arranged on seven chairs. Among them, there are three friends who should not sit together. Find the number of valid arrangements.
- Five singers are to be arranged in a line for a concert photo. Two of them are siblings and must not stand next to each other. How many valid arrangements ...
- Six students are to be seated in a row. Four of them are boys and the rest are girls. In how many ways can they be arranged such that the two girls do not ...
Find the number of words that can be formed by using all letters of the word 'TANGLE', if it starts with letter G and end with letter A.
Salman has a list of 12 friends. He wishes to invite some of them in such a manner that he can enjoy maximum number of parties, but in each party the nu...
