Team A has 4 Girls and 5 Boys, takes 5 days to paint 4 rooms. Team B has 7 girls and 10 Boys, takes 5 days to paint 5 rooms. Team C has 8 girls and 5 boys, How long will it take team C to paint 6 rooms.

How many different committees each consisting of 3 girls and 2 boys can be chosen from 7 girls and 5 boys?

4 girls and 6 boys can finish a work in 5 ays while 3 girls and 4 boys can finish it in 7 days. Find the time taken by one girl alone and that by one boy alone to finish the work

In how many ways can 5 girls and 5 boys be arranged in a row if all boys are together.

Team A contain 7 boys and n-girls , Team B has 4 boys and 6 girls. If each boy of Team A plays one match with each boy of Team B and each girl of Team A plays one match with every girls of Team B then total number of matches are 52 . Find value of n

In how many ways can 4 girls and 5 boys be arranged in a row so that all the four girls are together?

In how many ways can 3 boys and 3 girls can be selected from 5 boys and 3 girls?

It takes 21 minutes for 5 people to paint 7 walls.How many minutes does it take 3 people to paint 5 walls?

In how many ways can 5 boys and 5 girls sit in a ring

In how many ways can 5 boys and 5 girls sit in a circle so that no two boys sit together :