Out of 7 consonants and 4 vowels, how many words can be made each containing 3 consonants and 2 vowels ?

In how many ways can 3 people be seated in a row containing 7 seats ?

There is 6 man and 4 woman In how many ways can we make a committee in which 3 man and 2 woman?

From 2 mangoes, 3 oranges and 4 apples, how many selections of fruits can be made by taking : at least one of each kind ?

From 2 mangoes, 3 oranges and 4 apples, how many selections of fruits can be made by taking : at least one of them?

How many signals can be made by hoisting 5 flags of different colours ?

The English alphabet has 5 vowels and 21 consonants. How many words with two different vowels and 2 different consonants can be formed from the alphabet ?

A committee of 7 has to be formed from 9 boys and 4 girls. In how many ways can this be done when the committee consists of: atleast 3 girls ?

A committee of 7 has to be formed from 9 boys and 4 girls. In how many ways can this be done when the committee consists of: exactly 3 girls ?

A committee of 7 has to be formed from 9 boys and 4 girls. In how many ways can this be done when the committee consists of: atmost 3 girls ?