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

The number of ways in which a 7 people can sit around a round table is

The number of ways of selecting 6 objects from eight objects is

The number of ways of selecting 3 objects from eight object is

There are 3 copies each of 4 different books. The number of ways in which they can be arranged in a shelf is

Find the number of ways in which 10 different diamonds can be arranged to make a necklace.

A library has a copies of one book, b copies each of two books, c copies each of three books, a single copy of d books. The total number of ways in which these books can be arranged in a shelf is equal to a. ((a+2b+3c+d)!)/(a !(b !)^2(c !)^3) b. ((a+2b+3c+d)!)/(a !(2b !)^(c !)^3) c. ((a+b+3c+d)!)/((c !)^3) d. ((a+2b+3c+d)!)/(a !(2b !)^(c !)^)

m' men and 'n' women are to be seated in a row so that no two women sit next to each other. If mgen then the number of ways in which this can be done is

If n different objects are to placed in m places then the number of ways of placing is:

Out of 10 white, 9 black, and 7 red balls, find the number of ways in which selection of one or more balls can be made (balls of the same color are identical).

If there are 10 stations on a route and the train has to be stopped at 3 of them, then the number of ways in which the train can be stopped so that atleast two stopping stations are consecutive is