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

736.  6, 11, 21, 26, 36, ? , 51

a

47

b

48

c

41

d

39

 Answer : Option C Explanation :

737.  -1, 0. 3, 8, 15, ?

a

24

b

25

c

26

d

23

 Answer : Option A Explanation :

738.  8, 24, 12,? , 18, 54

a

28

b

38

c

36

d

46

 Answer : Option C Explanation :

739.  D, F, I,M,?,X

a

U

b

A

c

R

d

H

 Answer : Option C Explanation :

740.  5, 21, 69, 213, 645,?

a

1320

b

1941

c

720

d

1670

 Answer : Option B Explanation :

741.  127, 131, 139,?, 151, 157, 163, 167

a

141

b

143

c

149

d

147

 Answer : Option A Explanation :

742.  FGHJKLNOPRS ?

a

M

b

U

c

Q

d

T

 Answer : Option D Explanation :

743.  5, 11, 24, 51, 106,?

a

115

b

122

c

217

d

221

 Answer : Option C Explanation :

744.  Direction: How many 9 are followed by an even number and preceded by an odd number in the following series? 469259339467924894

a

2

b

1

c

4

d

3

 Answer : Option A Explanation :

745.  70, 71, 76, ? , 81, 86, 70, 91

a

71

b

70

c

96

d

80

 Answer : Option B Explanation :

746.  CAT, FDW, IGZ, ?

a

LJC

b

KJA

c

LHD

d

KTC

 Answer : Option A Explanation :

747.  LXF, MTJ, NPN, OLR, ?

a

PPV

b

PHV

c

PIU

d

PJW

 Answer : Option B Explanation :

748.  Direction: The number of letters skipped in between two adjacent letters in this series increases by multiples of 2. Which of the following series does not observe the rule given above?

a

HKPWF

b

JMRYG

c

EHMTC

d

 Answer : Option B Explanation :

749.  121, 144, 289, 324, 529, 576, ?

a

900

b

841

c

961

d

729

 Answer : Option B Explanation :

750.  Direction: Which one set of letters when sequentially placed at the gaps in the given letters series shall complete . a _ ca _ ca _ caa _

a

caac

b

caca

c

ccca

d

cacc