The number of ways in which we can get a score of 11 by throwing three dice is a. `18` b. `27` c. `45` d. `56`

In how many ways can we get a sum of at most 17 by throwing six distinct dice?

The number of ways in which 21 objects can be grouped into three groups 8, 7 and 6 object is

In how many ways can we get a sum greater than 17 by throwing six distinct dice.

There are four letters and four directed envelopes. The number of ways in which all the letters can be put in the wrong envelope is a. 8 b. 9 c. 16 d. none of these

Among 10 persons, A, B, C are to speak at a function. The number of ways in which it can be done if A wants to speak before B and B wants to speak before C is a. 10 !//24 b. 9!//6 c. 10 !//6 d. none of these

The number of ways in which 7 persons can address a meeting so that out of the three persons A, B and C, A will speak before B and B before C is

The number of ways in which we can choose two positive integers from 1 to 100 such that their product is a multiple of 3 is

The number of ways in which 11 identical pencils can be distributed among 6 kids each receiving atleast one is

Find the number of ways in which 5 distinct balls can be distributed in three different boxes if no box remains empty.