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

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

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

a

aaabb

b

babab

c

bbbaa

d

bbaab

 Answer : Option D Explanation :

62.  2/3, 4/7, 7/13, 11/21, ?

a

17/33

b

16/31

c

15/29

d

13/25

 Answer : Option B Explanation :

63.  1, 9, 25, ?, 81

a

36

b

64

c

28

d

49

 Answer : Option D Explanation :

64.  1, 3, 7, 13, 21, 31, 43, ?

a

59

b

55

c

61

d

57

 Answer : Option D Explanation :

65.  Direction: In each of the following questions, a series is given, with one/two terms missing. Choose the correct alternatives from the given ones that will complete the series. 6,8 : : 2, 12 : : 5, 9 : : 4, ?_

a

1

b

8

c

5

d

10

 Answer : Option D Explanation :

66.  14, 21, 30,41,54, ?

a

70

b

73

c

69

d

61

 Answer : Option C Explanation :

67.  AZBY, CXDW, EVFU, ?

a

GXHW

b

SHTG

c

GTHS

d

STHO

 Answer : Option C Explanation :

68.  264, 396, 473, 583, ?

a

792

b

673

c

729

d

597

 Answer : Option A Explanation :

69.  15, 23, 31, 39, ?, 54, 61

a

46

b

44

c

45

d

47

 Answer : Option D Explanation :

70.  A, Z, B, Y, C, X, ?, ?

a

YV

b

WD

c

EV

d

DW

 Answer : Option D Explanation :

71.  365, 364, 355, 330, 281, ?

a

280

b

200

c

120

d

180

 Answer : Option B Explanation :

72.  Direction: Which one set of letters when sequentially placed at the gaps in the given letters series shall complete . m_ _ I m I _ m m_ l

a

ml mil

b

mmlml

c

mllml

d

llmlm

 Answer : Option A Explanation :

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

a

abbe

b

ebba

c

bcab

d

acab

 Answer : Option B Explanation :

74.  Direction: Which one set of letters when sequentially placed at the gaps in the given letters series shall complete . -wi -- w-nt -in- wi-

a

ttinwin

b

nttwiwn

c

tntwitn

d

tntiwtn

 Answer : Option D Explanation :

75.  121, ?, 169, 196,225

a

151

b

132

c

136

d

144