UPSC CSAT Mathematics Questions

8, 14, 24, 38, 56, ?

7, 20, 46, 85, ?, 202

Find the missing term in the given series 2, 8, 14, 24, 34, 48, ?

240, ..., 120, 40, 10, 2

A team of 5 children is to be selected out of 4 girls and 5 boys such that it contains at least 2 girls. In how many different ways can the selection be made?

In how many ways a committee consisting of 5 men and 6 women can be formed from 8 men and 10 women ?

How many words can be formed from the letters of the word SIGNATURE so that the vowels always come together?

In how many different ways can the letters of the word DIGEST be arranged so that the vowels do not come together?

Find the missing term in the given series 1, 1.5, 3, 4.5, 9, 13.5, ?

A bag contains 3 red, 6 white and 7 blue balls. 2 balls are drawn at random. Find the probability that one is white and one is blue.

8 men entered a lounge simultaneously. If each person shook hands with the other then find the total number of handshakes.

How many different letter arrangements can be made from the letters of the word RECOVER ?

On the occasion of a certain meeting each member gave handshake to the remaining members. If the total handshakes were 28, how many members were present for the…

Letters of the word DIRECTOR are arranged in such a way that all the vowels come together. Find out the total number of ways for making such arrangement.

3, 4.5, 9, 22.5, 67.5, ........., 945

4 boys and 2 girls are to be seated in a row in such a way that the two girls are always together. In how many different ways can they be seated ?

How many numbers between 1000 and 10000 contain the digits 1, 3, 5 and 7?

From a group of 6 men and 4 women, a committee of 4 persons is to be formed. In how many different ways can it be done so that the committee has at least one wo…

In how many different ways can the letters of the word JUDGE be arranged so that the vowels always come together?

The odds against an event is 7 : 3. Find the probability of the occurrence of the event ?