1.
The total number of selections of fruit which can be made from 3 bananas, 4 apples and 2 oranges, is
2.
If , then is equal to
3.
Five balls of different colours are to be placed in three boxes of different sizes. Each box can hold all five balls. In how many ways can we place the balls so that no box remains empty?
4.
The interior angles of a regular polygon measure 160 each. The number of diagonals of the polygon are
5.
There are number of sets and number of people have to be seated, then how many ways are possible to do this
6.
is equal to
7.
The set is to be partitioned into three sets of equal size
8.
The number of selecting at least 4 candidates from 8 candidates is
9.
The letters of the word COCHIN are permuted and all the permutations are arranged in an alphabetical order as in an English dictionary. The number of words that appear before the word COCHIN is
10.
There are 5 roads leading to0 a town from a village. The number of different ways in which a village can go to the town and return back, is