# number and letter series questions and answers for competitive exams :: ::

## Home number and letter series questions and answers for competitive exams / Questions and Answers

1.  255, 366, 479, 684, ?

a

216

b

125

c

891

d

343

 Answer : Option C Explanation :

2.  A E I M ? U

a

Q

b

N

c

0

d

P

 Answer : Option A Explanation :

3.  1, 8, 27, ?

a

37

b

57

c

47

d

64

 Answer : Option D Explanation :

4.  Direction: Which one set of letters when sequentially placed at the gaps in the given letters series shall complete . a_c_baab_cb_

a

bcca

b

abbc

c

aabb

d

abab

 Answer : Option A Explanation :

5.  12, 8, 14, 6, 16, ?

a

32

b

4

c

5

d

18

 Answer : Option B Explanation :

6.  1, 5, 13, 25, 41, 61, ?

a

85

b

77

c

81

d

91

 Answer : Option A Explanation :

7.  Direction: In the following series of letters, how many p's are preceded by t and followed by p? Ptpttpptptpppqqptpttpppt

a

1

b

3

c

2

d

4

 Answer : Option B Explanation :

8.  21, 30, 38, ? , 51, 56, 60

a

35

b

45

c

55

d

80

 Answer : Option B Explanation :

9.  Direction: Which one set of letters when sequentially placed at the gaps in the given letters series shall complete . r_se_os_ro_er_se

a

f o e s o

b

r ores

c

oreso

d

o e s r s

 Answer : Option C Explanation :

10.  113, 128, 161, 185, ?

a

200

b

227

c

218

d

209

 Answer : Option B Explanation :

11.  AC, FH, ?, M

a

L

b

J

c

I

d

K

 Answer : Option D Explanation :

12.  1, 6, 15, ?, 45, 66, 91

a

25

b

27

c

28

d

26

 Answer : Option C Explanation :

13.  4, ?, 19, 39, 79, 159

a

10

b

12

c

8

d

9

 Answer : Option D Explanation :

14.  HIIJ, IJJK, JKKL, KLLM, LMMN, J?

a

NOOP

b

MNNP

c

LNNO

d

MNNO

 Answer : Option D Explanation :

15.  4, 10, 18, ?, 40

a

36

b

32

c

24

d

28

 Answer : Option D Explanation :