Directions (Questions 11 to 14) : In each of the following questions, one term in the number series is wrong. Find out the wrong term.

11. 93, 309, 434, 498, 521, 533

(a) 309

(b) 434

(c) 498

(d) 521

d

12. 3, 2, 8, 9, 13, 22, 18, 32, 23, 42

(a) 8

(b) 9

(c) 13

(d) 22

b

13. 11, 5, 20, 12, 40, 26, 74, 54

(a) 5

(b) 20

(c) 40

(d) 26

c

14. 0, 2, 3, 5, 8, 10, 15, 18, 24, 26, 35

(a) 18

(b) 24

(c) 26

(d) 10

a

Directions (Questions 15 to 17) : In each of the following number series, either one term is missing or is wrong, which has been given as one of the four alternatives under it. This alternative is your answer.

15. 1, 2, 5, 10, 17, 28

(a) 30

(b) 28

(c) 27

(d) 17

b

16. 2, 3, 5, 8, 13, 34

(a) 21

(b) 25

(c) 29

(d) 34

a

17. 1, 5, 14, 30, 55, 93

(a) 97

(b) 95

(c) 93

(d) 55

c

Directions (Questions 18 to 20) : In each of the following number series, two terms have been put within brackets. Mark your answer as.

if both the bracketed terms are right;

if the first bracketed terms is right and second is wrong;

if the first bracketed term is wrong and second is right; and

if both the bracketed terms are wrong.

18. 4, 6, 10, (12), 16, (14), 22

b

19. 2, 3, (6), 11, 18, (30), 38

b

20. 4, 7, (9), 10, 13, 15, (16), 19

A

[ANSWERS]