Number Series TNPSC Group 2 2A Questions

Number Series MCQ Questions

13.

Next term in the sequence

7,11,9, 11,17,14, 15,23,19, …. is

 Group 1 - 2013

A.

19,25,22

B.

19,31,20

C.

19,29,24

D.

19,27,23

ANSWER :

C. 19,29,24

14.

Find out the odd number in the series given

25, 36, 49, 81, 121, 169, 225

 Group 2A - 2016

A.

36

B.

49

C.

169

D.

225

ANSWER :

A. 36

15.

Arrange in descending order :

3√12, 4√20, 6√25, √80, 12√112

 Group 2 - 2015

A.

12√112, 6√25, 4√20, 3√12,√80

B.

√80,3√12, 4√20, 12√112, 6√25

C.

3√12, √80, 4√20, 6√25, 12√112

D.

6√25, 12√112, 3√12, √80, 4√20

ANSWER :

A. 12√112, 6√25, 4√20, 3√12,√80

16.

In the series

6 4 1 2 2 8 7 4 2 1 5 3 8 6 2 1 7 1 4 1 3 2 8 6

How many pairs of alternate numbers have a difference of 2?

 Group 1 - 2015

A.

2

B.

4

C.

6

D.

8

ANSWER :

A. 2

17.

If + means x, x means -, ÷ means + and - means ÷ then what is the value of

(175 - 25) ÷ (5 + 20) x (3 +10)

 Group 1 - 2015

A.

265

B.

78

C.

77

D.

354

ANSWER :

C. 77

18.

If 8 - 5 x 4 = 44 and 15 - 3 x 3 = 48 then 16 - 4 x 5 = ?

 Group 1 - 2014

A.

0

B.

69

C.

20

D.

25

ANSWER :

B. 69