# Number and Letter series questions and answers for competitive exams

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Number and Letter series questions and answers for competitive exams  – Logical Reasoning Questions and Answers for All Kind Of exams UPSC,SSC, bank exams reasoning IBPS SBI Clerk PO and More Entrance exams too will Helpful

1.  T9NKHEBYVSP???
a
MJG
b
NKG
c
NKI
d
MJH
Explanation :
2.  48, 24, 96, 48, 192, ?
a
90
b
98
c
96
d
76
Explanation :
3.  56, 90, 132,184, 248, ?
a
362
b
326
c
368
d
316
Explanation :
4.  1, 1, 2, 3, 5, ?, 13,21
a
7
b
6
c
9
d
8
Explanation :
5.  CFL, EIK, G J, IOI, ?
a
KRH
b
KRJ
c
JRH
d
KQH
Explanation :
6.  WYV, ?, IKH, BDA
a
ROP
b
PRO
c
OQN
d
OPR
Explanation :
7.  Direction: In the following question, a letter has been skipped after every letter. Which of the following series observes the rule given above?
a
RTVYZAC
b
SUWYACE
c
KMORTUW
d
OWZDIOV
Explanation :
8.  AZY, EXW, IVU, ?
a
MQR
b
LST
c
MTS
d
NRQ
Explanation :
9.  2, 3, 10, 29, 66, ?
a
89
b
130
c
127
d
99
Explanation :
10.  2, 5, 10, ?, 26
a
19
b
21
c
25
d
17
Explanation :
11.  24. 35. 20, 31. 16, 27
a
5, 30
b
12, 23
c
8, 25
d
9, 9
Explanation :
12.  7, 12, 22, 37, ?, 82, 112, 147
a
57
b
50
c
58
d
156
Explanation :
13.  Direction: Which one set of letters when sequentially placed at the gaps in the given letters series shall complete . b_ab_b_aab_b
a
abbb
b
aabb
c
abba
d
baaa
Explanation :
14.  ACDFGIJLMOP ?
a
Q
b
R
c
T
d
S
Explanation :
15.  100, 52, 28, 16, 10, ?
a
5
b
8
c
7
d
9
Explanation :
16.  1, 3, 8, 19, 42, ?
a
65
b
71
c
93
d
89
Explanation :
17.  V, VIII, XI, XIV, ?, XX
a
IX
b
XV
c
XVII
d
XXIII
Explanation :
18.  Direction: Which one set of letters when sequentially placed at the gaps in the given letters series shall complete . ab_aabb_bb_
a
baaa
b
abab
c
abbb
d
baba
Explanation :
19.  Direction: Find the wrong number in the following series : 25,36, 49, 81, 121, 169, 225
a
81
b
49
c
121
d
36
Explanation :
20.  Direction: Which one set of letters when sequentially placed at the gaps in the given letters series shall complete . aac - bba - cc - baa - cb -
a
abaac
b
cabcb
c
bacbc
d
bcacb
Explanation :
21.  Z, X, ?, N, F
a
R
b
Q
c
T
d
O
Explanation :
22.  5, 17, 37, 65, ? , 145
a
101
b
97
c
99
d
95
Explanation :
23.  15, 31, 64, 131, ?
a
266
b
524
c
192
d
256
Explanation :
24.  Direction: Number of letters skipped in between adjacent letters goes on increasing successively by one in the series. Identify the set following the above rule.
a
HLPTXN
b
CEHLQW
c
CLOUBK
d
CHMRWB
Explanation :
25.  AN, BO, CP, Dg, ?
a
EH
b
EG
c
EF
d
ER
Explanation :

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