Number and Letter series questions and answers for competitive exams

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
Answer & Explanation
Answer : Option A
Explanation :
2.  48, 24, 96, 48, 192, ?
a
  90
b
 98
c
 96
d
 76
Answer & Explanation
Answer : Option C
Explanation :
3.  56, 90, 132,184, 248, ?
a
  362
b
 326
c
 368
d
 316
Answer & Explanation
Answer : Option B
Explanation :
4.  1, 1, 2, 3, 5, ?, 13,21
a
  7
b
 6
c
 9
d
 8
Answer & Explanation
Answer : Option D
Explanation :
5.  CFL, EIK, G J, IOI, ?
a
  KRH
b
 KRJ
c
 JRH
d
 KQH
Answer & Explanation
Answer : Option A
Explanation :
6.  WYV, ?, IKH, BDA
a
  ROP
b
 PRO
c
 OQN
d
 OPR
Answer & Explanation
Answer : Option B
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
Answer & Explanation
Answer : Option B
Explanation :
8.  AZY, EXW, IVU, ?
a
  MQR
b
 LST
c
 MTS
d
 NRQ
Answer & Explanation
Answer : Option C
Explanation :
9.  2, 3, 10, 29, 66, ?
a
  89
b
 130
c
 127
d
 99
Answer & Explanation
Answer : Option C
Explanation :
10.  2, 5, 10, ?, 26
a
  19
b
 21
c
 25
d
 17
Answer & Explanation
Answer : Option D
Explanation :
11.  24. 35. 20, 31. 16, 27
a
  5, 30
b
 12, 23
c
 8, 25
d
 9, 9
Answer & Explanation
Answer : Option B
Explanation :
12.  7, 12, 22, 37, ?, 82, 112, 147
a
  57
b
 50
c
 58
d
 156
Answer & Explanation
Answer : Option A
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
Answer & Explanation
Answer : Option A
Explanation :
14.  ACDFGIJLMOP ?
a
  Q
b
 R
c
 T
d
 S
Answer & Explanation
Answer : Option B
Explanation :
15.  100, 52, 28, 16, 10, ?
a
  5
b
 8
c
 7
d
 9
Answer & Explanation
Answer : Option C
Explanation :
16.  1, 3, 8, 19, 42, ?
a
  65
b
 71
c
 93
d
 89
Answer & Explanation
Answer : Option D
Explanation :
17.  V, VIII, XI, XIV, ?, XX
a
  IX
b
 XV
c
 XVII
d
 XXIII
Answer & Explanation
Answer : Option C
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
Answer & Explanation
Answer : Option A
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
Answer & Explanation
Answer : Option D
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
Answer & Explanation
Answer : Option B
Explanation :
21.  Z, X, ?, N, F
a
  R
b
 Q
c
 T
d
 O
Answer & Explanation
Answer : Option C
Explanation :
22.  5, 17, 37, 65, ? , 145
a
  101
b
 97
c
 99
d
 95
Answer & Explanation
Answer : Option A
Explanation :
23.  15, 31, 64, 131, ?
a
  266
b
 524
c
 192
d
 256
Answer & Explanation
Answer : Option A
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
Answer & Explanation
Answer : Option B
Explanation :
25.  AN, BO, CP, Dg, ?
a
  EH
b
 EG
c
 EF
d
 ER
Answer & Explanation
Answer : Option D
Explanation :
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