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RRB JE Series Questions with Answers & Explanations

20 Series questions from the General Intelligence & Reasoning section of RRB JE, each with the correct answer and a worked explanation. Try each question first, then tap Show answer to check. When you're ready, take the timed chapter-wise test to see your all-India rank.

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Question 1

What comes next in the series? 11, 14, 26, 29, 41, ?

  1. A38
  2. B50
  3. C44
  4. D46
Show answer
Answer: (C) 44 The differences alternate between +3 and +12.
Question 2

What comes next in the series? E, G, I, K, ?

  1. AO
  2. BN
  3. CM
  4. DL
Show answer
Answer: (C) M Each letter moves 2 places forward in the alphabet.
Question 3

What comes next in the series? 14, 21, 28, 35, 42, ?

  1. A46
  2. B48
  3. C44
  4. D49
Show answer
Answer: (D) 49 Each term increases by 7.
Question 4

What comes next in the series? D, F, H, J, ?

  1. AN
  2. BM
  3. CK
  4. DL
Show answer
Answer: (D) L Each letter moves 2 places forward in the alphabet.
Question 5

What comes next in the series? 2, 7, 18, 23, 34, ?

  1. A36
  2. B42
  3. C37
  4. D39
Show answer
Answer: (D) 39 The differences alternate between +5 and +11.
Question 6

What comes next in the series? A, C, E, G, ?

  1. AH
  2. BJ
  3. CK
  4. DI
Show answer
Answer: (D) I Each letter moves 2 places forward in the alphabet.
Question 7

What comes next in the series? 1, 8, 27, 64, 125, ?

  1. A221
  2. B216
  3. C210
  4. D211
Show answer
Answer: (B) 216 The terms are consecutive perfect cubes.
Question 8

What comes next in the series? B, D, F, H, ?

  1. AK
  2. BI
  3. CJ
  4. DL
Show answer
Answer: (C) J Each letter moves 2 places forward in the alphabet.
Question 9

What comes next in the series? 2, 5, 11, 23, 47, ?

  1. A95
  2. B98
  3. C89
  4. D101
Show answer
Answer: (A) 95 Each term is (previous × 2) + 1.
Question 10

What comes next in the series? E, H, K, N, ?

  1. AR
  2. BQ
  3. CS
  4. DP
Show answer
Answer: (B) Q Each letter moves 3 places forward in the alphabet.

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Question 11

What comes next in the series? 9, 16, 25, 36, 49, ?

  1. A54
  2. B65
  3. C59
  4. D64
Show answer
Answer: (D) 64 The terms are consecutive perfect squares.
Question 12

What comes next in the series? 4, 6, 10, 16, 24, ?

  1. A37
  2. B34
  3. C33
  4. D24
Show answer
Answer: (B) 34 The differences increase by 2 each time.
Question 13

What comes next in the series? F, I, L, O, ?

  1. AS
  2. BT
  3. CQ
  4. DR
Show answer
Answer: (D) R Each letter moves 3 places forward in the alphabet.
Question 14

What comes next in the series? 36, 49, 64, 81, 100, ?

  1. A116
  2. B123
  3. C121
  4. D118
Show answer
Answer: (C) 121 The terms are consecutive perfect squares.
Question 15

What comes next in the series? C, G, K, O, ?

  1. AT
  2. BU
  3. CR
  4. DS
Show answer
Answer: (D) S Each letter moves 4 places forward in the alphabet.
Question 16

What comes next in the series? 25, 36, 49, 64, 81, ?

  1. A100
  2. B95
  3. C106
  4. D105
Show answer
Answer: (A) 100 The terms are consecutive perfect squares.
Question 17

What comes next in the series? A, D, G, J, ?

  1. AL
  2. BM
  3. CN
  4. DO
Show answer
Answer: (B) M Each letter moves 3 places forward in the alphabet.
Question 18

What comes next in the series? 64, 125, 216, 343, 512, ?

  1. A727
  2. B730
  3. C729
  4. D735
Show answer
Answer: (C) 729 The terms are consecutive perfect cubes.
Question 19

What comes next in the series? 7, 9, 16, 18, 25, ?

  1. A32
  2. B17
  3. C25
  4. D27
Show answer
Answer: (D) 27 The differences alternate between +2 and +7.
Question 20

What comes next in the series? 9, 10, 12, 15, 19, ?

  1. A24
  2. B14
  3. C21
  4. D25
Show answer
Answer: (A) 24 The differences increase by 1 each time.

These are RankerClub practice questions written in the RRB JE pattern. They are not official SSC/IBPS/RRB papers.

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