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

 

101.  Direction: The number of letters skipped in between adjacent letters in a series is 5. Which of the following series observes this rule ?
a
  CIOUZ
b
 CIOTA
c
 CINUA
d
 CIOUA
Answer & Explanation
Answer : Option D
Explanation :
102.  BFH, ZDF, JNP, T, ?
a
  WX
b
 XZ
c
 XY
d
 ZA
Answer & Explanation
Answer : Option B
Explanation :
103.  N, P, R, ?
a
  T
b
 U
c
 V
d
 O
Answer & Explanation
Answer : Option A
Explanation :
104.  138, 161, 185, 210, ?
a
  272
b
 236
c
 240
d
 229
Answer & Explanation
Answer : Option B
Explanation :
105.  Direction: Which one set of letters when sequentially placed at the gaps in the given letters series shall complete . ab_cba_bcc_aabccb_ _bccba
a
  abcab
b
 abbac
c
 cabaa
d
 ccaab
Answer & Explanation
Answer : Option C
Explanation :
106.  Y, T, P, ?, K
a
  M
b
 O
c
 N
d
 L
Answer & Explanation
Answer : Option A
Explanation :
107.  2, 8, 40, ?, 1680, 13440
a
  80
b
 160
c
 120
d
 240
Answer & Explanation
Answer : Option D
Explanation :
108.  6, 12, 20, 30, ?
a
  42
b
 48
c
 40
d
 41
Answer & Explanation
Answer : Option A
Explanation :
109.  Direction: Which one set of letters when sequentially placed at the gaps in the given letters series shall complete . a _ aa bb__ab _ b _
a
  bbaaa
b
 b a a a a
c
 b a a b a
d
 babab
Answer & Explanation
Answer : Option C
Explanation :
110.  Direction: Which one set of letters when sequentially placed at the gaps in the given letters series shall complete . ac - ga - eg - ce -
a
  ecag
b
 dbag
c
 deag
d
 ebdg
Answer & Explanation
Answer : Option A
Explanation :
111.  BCZYDEWVFGUTH ?
a
  Q
b
 S
c
 J
d
 I
Answer & Explanation
Answer : Option D
Explanation :
112.  DKM, FJP, HIS, JHV, ?
a
  LGY
b
 HGY
c
 LGZ
d
 IGY
Answer & Explanation
Answer : Option A
Explanation :
113.  ?, HJL, NPR, TVX, ZBD
a
  CFI
b
 BDF
c
 BED
d
 BFD
Answer & Explanation
Answer : Option B
Explanation :
114.  26, 37, 50, 65, ?, 101
a
  80
b
 82
c
 81
d
 77
Answer & Explanation
Answer : Option B
Explanation :
115.  Direction: How many 7 s in the following sequence of numbers are immediately preceded by 6 but not immediately followed by 8? 3 4 8 7 6 1 567849675
a
  3
b
 2
c
 1
d
 0
Answer & Explanation
Answer : Option C
Explanation :
116.  2816, ?, 176, 44, 11
a
  352
b
 704
c
 1408
d
 2640
Answer & Explanation
Answer : Option B
Explanation :
117.  AZ, CX, FU, ?
a
  KP
b
 IR
c
 IV
d
 JQ
Answer & Explanation
Answer : Option D
Explanation :
118.  F, L, Q, U, X, ?
a
  B
b
 Y
c
 A
d
 Z
Answer & Explanation
Answer : Option D
Explanation :
119.  14,19,29,49,89, ?
a
  139
b
 149
c
 159
d
 169
Answer & Explanation
Answer : Option D
Explanation :
120.  25, 35, 55, ?, 125
a
  65
b
 85
c
 75
d
 95
Answer & Explanation
Answer : Option B
Explanation :
121.  ar, cs, et, ?
a
  wy
b
 vb
c
 gu
d
 gv
Answer & Explanation
Answer : Option C
Explanation :
122.  Direction: In the following series of letters, how many p's are preceded by t and followed by p? Ptpttpptptpppqqptpttpppt
a
  3
b
 2
c
 1
d
 4
Answer & Explanation
Answer : Option A
Explanation :
123.  720, 720, 360, 120, 30, 6, ?
a
  5
b
 3
c
 2
d
 1
Answer & Explanation
Answer : Option D
Explanation :
124.  Series : AB/C , ZY/X , DE/F , WV/U, GH/I, ?
a
  RS/Q
b
 TS/R
c
 ST/R
d
 SR/Q
Answer & Explanation
Answer : Option B
Explanation :
125.  Direction: Which one set of letters when sequentially placed at the gaps in the given letters series shall complete . ab-abc-bc-bca-c
a
  caab
b
 caac
c
 baca
d
 beeb
Answer & Explanation
Answer : Option A
Explanation :
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