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SSC GD Constable Mathematical Operations Questions with Answers & Explanations

18 Mathematical Operations questions from the General Intelligence & Reasoning section of SSC GD Constable, 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: 8 + 20 − 12 × 3 ÷ 5

  1. A162
  2. B154
  3. C164
  4. D159
Show answer
Answer: (D) 159 Replace the signs: 8 × 20 + 12 ÷ 3 − 5 = 160 + 4 − 5 = 159.
Question 2

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 8 + 13 − 54 × 9 ÷ 2

  1. A110
  2. B108
  3. C107
  4. D111
Show answer
Answer: (B) 108 Replace the signs: 8 × 13 + 54 ÷ 9 − 2 = 104 + 6 − 2 = 108.
Question 3

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 5 + 7 − 14 × 2 ÷ 1

  1. A39
  2. B41
  3. C38
  4. D44
Show answer
Answer: (B) 41 Replace the signs: 5 × 7 + 14 ÷ 2 − 1 = 35 + 7 − 1 = 41.
Question 4

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 5 + 19 − 72 × 8 ÷ 4

  1. A95
  2. B105
  3. C97
  4. D100
Show answer
Answer: (D) 100 Replace the signs: 5 × 19 + 72 ÷ 8 − 4 = 95 + 9 − 4 = 100.
Question 5

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 7 + 11 − 63 × 9 ÷ 3

  1. A81
  2. B84
  3. C79
  4. D76
Show answer
Answer: (A) 81 Replace the signs: 7 × 11 + 63 ÷ 9 − 3 = 77 + 7 − 3 = 81.
Question 6

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 2 + 3 − 24 × 3 ÷ 2

  1. A10
  2. B12
  3. C11
  4. D9
Show answer
Answer: (B) 12 Replace the signs: 2 × 3 + 24 ÷ 3 − 2 = 6 + 8 − 2 = 12.
Question 7

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 9 + 16 − 48 × 6 ÷ 8

  1. A144
  2. B147
  3. C146
  4. D141
Show answer
Answer: (A) 144 Replace the signs: 9 × 16 + 48 ÷ 6 − 8 = 144 + 8 − 8 = 144.
Question 8

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 4 + 8 − 30 × 5 ÷ 8

  1. A29
  2. B30
  3. C33
  4. D28
Show answer
Answer: (B) 30 Replace the signs: 4 × 8 + 30 ÷ 5 − 8 = 32 + 6 − 8 = 30.
Question 9

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 3 + 13 − 21 × 7 ÷ 5

  1. A42
  2. B37
  3. C36
  4. D35
Show answer
Answer: (B) 37 Replace the signs: 3 × 13 + 21 ÷ 7 − 5 = 39 + 3 − 5 = 37.
Question 10

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 5 + 8 − 16 × 8 ÷ 9

  1. A36
  2. B38
  3. C33
  4. D30
Show answer
Answer: (C) 33 Replace the signs: 5 × 8 + 16 ÷ 8 − 9 = 40 + 2 − 9 = 33.

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Question 11

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 9 + 13 − 18 × 2 ÷ 8

  1. A120
  2. B115
  3. C119
  4. D118
Show answer
Answer: (D) 118 Replace the signs: 9 × 13 + 18 ÷ 2 − 8 = 117 + 9 − 8 = 118.
Question 12

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 2 + 20 − 56 × 8 ÷ 1

  1. A49
  2. B43
  3. C45
  4. D46
Show answer
Answer: (D) 46 Replace the signs: 2 × 20 + 56 ÷ 8 − 1 = 40 + 7 − 1 = 46.
Question 13

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 7 + 17 − 28 × 4 ÷ 6

  1. A120
  2. B118
  3. C125
  4. D115
Show answer
Answer: (A) 120 Replace the signs: 7 × 17 + 28 ÷ 4 − 6 = 119 + 7 − 6 = 120.
Question 14

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 2 + 5 − 18 × 2 ÷ 2

  1. A20
  2. B12
  3. C17
  4. D19
Show answer
Answer: (C) 17 Replace the signs: 2 × 5 + 18 ÷ 2 − 2 = 10 + 9 − 2 = 17.
Question 15

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 9 + 2 − 63 × 9 ÷ 4

  1. A20
  2. B22
  3. C21
  4. D24
Show answer
Answer: (C) 21 Replace the signs: 9 × 2 + 63 ÷ 9 − 4 = 18 + 7 − 4 = 21.
Question 16

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 9 + 3 − 10 × 5 ÷ 4

  1. A23
  2. B25
  3. C30
  4. D28
Show answer
Answer: (B) 25 Replace the signs: 9 × 3 + 10 ÷ 5 − 4 = 27 + 2 − 4 = 25.
Question 17

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 4 + 15 − 36 × 9 ÷ 6

  1. A58
  2. B59
  3. C56
  4. D60
Show answer
Answer: (A) 58 Replace the signs: 4 × 15 + 36 ÷ 9 − 6 = 60 + 4 − 6 = 58.
Question 18

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 7 + 10 − 32 × 4 ÷ 9

  1. A74
  2. B64
  3. C71
  4. D69
Show answer
Answer: (D) 69 Replace the signs: 7 × 10 + 32 ÷ 4 − 9 = 70 + 8 − 9 = 69.

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

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