Research Aptitu...

Find the 15th term of the sequence 20, 15, 10 .......

A number 15 is divided into three parts which are in AP and the sum of their squares is 83. Find the smallest number.

How many different words can be formed with the letters of the word ‘BHARAT’?

In how many of these B and H are never together?

There are 15 buses running between Delhi and Mumbai. In how many ways can a man go to Mumbai and return by a different bus?

A teacher of a class wants to set one question from each of two exercises in a book. If there are 15 and 12 questions in the two exercises respectively, then in how many ways can the two questions be selected?

Find the probability that in a random arrangement of the letters of the word DAUGHTER, the letter D occupies the first place.

Find the probability that in a random arrangement of letter of the words “UNIVERSITY” two ‘I’s do not come together.

A and B are mutually exclusive events of an experiment. If P ('not A’) = 0.65, P(A∪B) = 0.65 and P(B) = P, find the value of p.

Direction: Read the following information carefully and answer the questions given below it P is the son of Q. R, Q’s sister has a son S and daughters T. U is the maternal uncle of S.

Q. How is P related to S?

Direction: Read the following information carefully and answer the questions given below it P is the son of Q. R, Q’s sister has a son S and daughters T. U is the maternal uncle of S.

Q. How is T related to U?