Find the number of ways to give 16 different things to three persons A, B, C so that B gets 1 more than A and C gets 2 more than B.

A sum of money is distributed amongst a certain number of persons. The second receives Rs. 1 more than the first, the third Rs.2 more than the second, the fourth Rs. 3 more than the third find and so an. If the first person gets Re. 1 and the last person Rs. 67, what is the number of persons and the sum distributed?

Number of ways in which 25 identical things be distributed among five persons if each gets odd number of things is

In how many ways can Rs. 16 be divided into 4 persons when none of them gets less than Rs. 3?

Find the number of ways of disturbing n identicalobjects among n persons if at least n-3 persons get none of these objects.

The number of ways of arranging six person (having A, B, C and D among them) in a row so that A, B, C and D are always in order ABCD (not necessarily together) is

A man has three friends. The number of ways he can invite one friend everyday for dinner on six successive nights so that no friend is invited more than three times is a. 640 b. 320 c. 420 d. 510

The total number of ways in which 5 balls of different colours can be distributed among 3 persons, so that each person gets atleast one ball is

The number of ways of partitioning the set {a,b,c,d} into one or more non empty subsets is

In an election, the number of candidates is one greater than the persons to be elected. If a voter can vote in 254 ways, the number of candidates is a. 7 b. 10 c. 8 d. 6

5 times of the greater one of two numbers is 2 more than 8 times of the smaller one. Again 2 times of the smaller one is 10 more than the greater one. Find the two number.