From the string abacabababcdced, if 5 letters should be selected , then the number of ways in which this selection can be done is

The number of ways in which 10 letters can be posted in 5 letter boxes is

The number of ways in which 5 letters can be posted in 10 letter boxes is

There are 'n' different books and 'p' copies of each. The number of ways in which a selection can be made from them is

Out of 7 men and 4 women,a committee of 5 is to be selected the number of ways in which this can be done so as to include at least two women is

There are p copies each of n different subjects. Find the number of ways in which a nonempty selection can be made from them. Also find the number of ways in which at least one copy of each subject is selected.

There are p copies each of n different books. Find the number of ways in which a nonempty selection can be made from them.

There are p copies each of n different books. Find the number of ways in which a nonempty selection can be made from them.

A cricket 11 is to be selected out of 14 players of whom 5 are bowlers . The number of ways in which this can be done so as to include atleast 3 bowlers is

The number of ways in which four letters can be selected from the word degree, is