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RRB Group D Mathematical Operations Questions with Answers & Explanations

19 Mathematical Operations questions from the General Intelligence & Reasoning section of RRB Group D, 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

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 9 + 18 − 28 × 7 ÷ 4

  1. A164
  2. B162
  3. C157
  4. D167
Show answer
Answer: (B) 162 Replace the signs: 9 × 18 + 28 ÷ 7 − 4 = 162 + 4 − 4 = 162.
Question 2

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 3 + 16 − 6 × 2 ÷ 4

  1. A44
  2. B48
  3. C52
  4. D47
Show answer
Answer: (D) 47 Replace the signs: 3 × 16 + 6 ÷ 2 − 4 = 48 + 3 − 4 = 47.
Question 3

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 9 + 2 − 9 × 3 ÷ 1

  1. A22
  2. B20
  3. C15
  4. D25
Show answer
Answer: (B) 20 Replace the signs: 9 × 2 + 9 ÷ 3 − 1 = 18 + 3 − 1 = 20.
Question 4

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 3 + 10 − 16 × 2 ÷ 2

  1. A35
  2. B36
  3. C33
  4. D37
Show answer
Answer: (B) 36 Replace the signs: 3 × 10 + 16 ÷ 2 − 2 = 30 + 8 − 2 = 36.
Question 5

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 9 + 13 − 4 × 2 ÷ 3

  1. A116
  2. B113
  3. C119
  4. D118
Show answer
Answer: (A) 116 Replace the signs: 9 × 13 + 4 ÷ 2 − 3 = 117 + 2 − 3 = 116.
Question 6

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 5 + 12 − 24 × 3 ÷ 9

  1. A64
  2. B59
  3. C62
  4. D54
Show answer
Answer: (B) 59 Replace the signs: 5 × 12 + 24 ÷ 3 − 9 = 60 + 8 − 9 = 59.
Question 7

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 8 + 12 − 36 × 9 ÷ 9

  1. A86
  2. B96
  3. C92
  4. D91
Show answer
Answer: (D) 91 Replace the signs: 8 × 12 + 36 ÷ 9 − 9 = 96 + 4 − 9 = 91.
Question 8

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 4 + 4 − 24 × 3 ÷ 7

  1. A16
  2. B18
  3. C14
  4. D17
Show answer
Answer: (D) 17 Replace the signs: 4 × 4 + 24 ÷ 3 − 7 = 16 + 8 − 7 = 17.
Question 9

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 6 + 3 − 20 × 4 ÷ 2

  1. A19
  2. B26
  3. C23
  4. D21
Show answer
Answer: (D) 21 Replace the signs: 6 × 3 + 20 ÷ 4 − 2 = 18 + 5 − 2 = 21.
Question 10

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 3 + 7 − 48 × 8 ÷ 1

  1. A28
  2. B25
  3. C24
  4. D26
Show answer
Answer: (D) 26 Replace the signs: 3 × 7 + 48 ÷ 8 − 1 = 21 + 6 − 1 = 26.

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Question 11

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 5 + 10 − 48 × 8 ÷ 1

  1. A57
  2. B55
  3. C60
  4. D54
Show answer
Answer: (B) 55 Replace the signs: 5 × 10 + 48 ÷ 8 − 1 = 50 + 6 − 1 = 55.
Question 12

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 9 + 20 − 24 × 3 ÷ 5

  1. A180
  2. B181
  3. C183
  4. D182
Show answer
Answer: (C) 183 Replace the signs: 9 × 20 + 24 ÷ 3 − 5 = 180 + 8 − 5 = 183.
Question 13

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 8 + 20 − 4 × 2 ÷ 2

  1. A160
  2. B155
  3. C158
  4. D162
Show answer
Answer: (A) 160 Replace the signs: 8 × 20 + 4 ÷ 2 − 2 = 160 + 2 − 2 = 160.
Question 14

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 6 + 19 − 28 × 7 ÷ 2

  1. A113
  2. B114
  3. C116
  4. D117
Show answer
Answer: (C) 116 Replace the signs: 6 × 19 + 28 ÷ 7 − 2 = 114 + 4 − 2 = 116.
Question 15

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 9 + 9 − 12 × 6 ÷ 4

  1. A79
  2. B77
  3. C78
  4. D81
Show answer
Answer: (A) 79 Replace the signs: 9 × 9 + 12 ÷ 6 − 4 = 81 + 2 − 4 = 79.
Question 16

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 9 + 11 − 27 × 9 ÷ 8

  1. A96
  2. B94
  3. C99
  4. D89
Show answer
Answer: (B) 94 Replace the signs: 9 × 11 + 27 ÷ 9 − 8 = 99 + 3 − 8 = 94.
Question 17

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 7 + 17 − 32 × 4 ÷ 1

  1. A129
  2. B123
  3. C127
  4. D126
Show answer
Answer: (D) 126 Replace the signs: 7 × 17 + 32 ÷ 4 − 1 = 119 + 8 − 1 = 126.
Question 18

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 5 + 19 − 24 × 3 ÷ 4

  1. A94
  2. B102
  3. C99
  4. D100
Show answer
Answer: (C) 99 Replace the signs: 5 × 19 + 24 ÷ 3 − 4 = 95 + 8 − 4 = 99.
Question 19

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 5 + 6 − 21 × 7 ÷ 6

  1. A27
  2. B29
  3. C26
  4. D30
Show answer
Answer: (A) 27 Replace the signs: 5 × 6 + 21 ÷ 7 − 6 = 30 + 3 − 6 = 27.

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

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