MCA Entrance Previous Year Question Bank

List I

List II

A.

In a GP, the third term is 24 and 6th term is 192. The common ratio is ________

I.

78

B.

Let 𝑆_𝑛 denote the sum of the first n terms of an AP. If 𝑆_2𝑛 = 3S_n,then 𝑆_3𝑛/S_n equals to _________.

II.

6

C.

The sum of the first 3 terms of a GP is 13/12 and their product is –1. The first term is _________.

III.

–1

D.

The least value of n for which the sum 3 + 6 + 9 ..... + n is greater than 1000 is

IV.

2

List I

List II

A.

If 4^th term of a G.P. is square of its second term, and its first term is 3, then common ratio is ________.

I.

5

B.

The first term of an AP is 5, the last term is 45 and the sum of the terms is 400. The number of term is _________

II.

-5/2

C.

The sum of three numbers which are in AP is 27 and sum of their squares is 293. Then the common difference is __________.

III.

16

D.

The fourth and 54th terms of an AP are, respectively 64 and –61. The common difference is __________.

IV

3