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MAT Mathematical Operations Questions with Answers & Explanations

20 Mathematical Operations questions from the Intelligence & Critical Reasoning section of MAT, 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: 4 + 4 − 27 × 9 ÷ 2

  1. A20
  2. B17
  3. C12
  4. D16
Show answer
Answer: (B) 17 Replace the signs: 4 × 4 + 27 ÷ 9 − 2 = 16 + 3 − 2 = 17.
Question 2

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 9 + 17 − 25 × 5 ÷ 1

  1. A156
  2. B155
  3. C152
  4. D157
Show answer
Answer: (D) 157 Replace the signs: 9 × 17 + 25 ÷ 5 − 1 = 153 + 5 − 1 = 157.
Question 3

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 5 + 10 − 63 × 7 ÷ 5

  1. A51
  2. B49
  3. C54
  4. D56
Show answer
Answer: (C) 54 Replace the signs: 5 × 10 + 63 ÷ 7 − 5 = 50 + 9 − 5 = 54.
Question 4

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 5 + 17 − 35 × 7 ÷ 3

  1. A85
  2. B84
  3. C87
  4. D82
Show answer
Answer: (C) 87 Replace the signs: 5 × 17 + 35 ÷ 7 − 3 = 85 + 5 − 3 = 87.
Question 5

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 5 + 7 − 40 × 5 ÷ 2

  1. A42
  2. B41
  3. C39
  4. D40
Show answer
Answer: (B) 41 Replace the signs: 5 × 7 + 40 ÷ 5 − 2 = 35 + 8 − 2 = 41.
Question 6

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 8 + 15 − 18 × 9 ÷ 4

  1. A116
  2. B113
  3. C118
  4. D121
Show answer
Answer: (C) 118 Replace the signs: 8 × 15 + 18 ÷ 9 − 4 = 120 + 2 − 4 = 118.
Question 7

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 6 + 16 − 14 × 2 ÷ 4

  1. A101
  2. B99
  3. C98
  4. D104
Show answer
Answer: (B) 99 Replace the signs: 6 × 16 + 14 ÷ 2 − 4 = 96 + 7 − 4 = 99.
Question 8

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

  1. A71
  2. B67
  3. C74
  4. D69
Show answer
Answer: (D) 69 Replace the signs: 7 × 9 + 63 ÷ 7 − 3 = 63 + 9 − 3 = 69.
Question 9

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 9 + 15 − 72 × 8 ÷ 2

  1. A142
  2. B144
  3. C141
  4. D139
Show answer
Answer: (A) 142 Replace the signs: 9 × 15 + 72 ÷ 8 − 2 = 135 + 9 − 2 = 142.
Question 10

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 8 + 18 − 21 × 3 ÷ 5

  1. A146
  2. B149
  3. C147
  4. D144
Show answer
Answer: (A) 146 Replace the signs: 8 × 18 + 21 ÷ 3 − 5 = 144 + 7 − 5 = 146.

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Question 11

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 2 + 10 − 42 × 7 ÷ 7

  1. A19
  2. B18
  3. C21
  4. D16
Show answer
Answer: (A) 19 Replace the signs: 2 × 10 + 42 ÷ 7 − 7 = 20 + 6 − 7 = 19.
Question 12

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 7 + 5 − 36 × 4 ÷ 4

  1. A40
  2. B35
  3. C37
  4. D38
Show answer
Answer: (A) 40 Replace the signs: 7 × 5 + 36 ÷ 4 − 4 = 35 + 9 − 4 = 40.
Question 13

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 8 + 16 − 49 × 7 ÷ 1

  1. A132
  2. B133
  3. C131
  4. D134
Show answer
Answer: (D) 134 Replace the signs: 8 × 16 + 49 ÷ 7 − 1 = 128 + 7 − 1 = 134.
Question 14

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 4 + 19 − 63 × 7 ÷ 8

  1. A80
  2. B82
  3. C79
  4. D77
Show answer
Answer: (D) 77 Replace the signs: 4 × 19 + 63 ÷ 7 − 8 = 76 + 9 − 8 = 77.
Question 15

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 6 + 19 − 54 × 9 ÷ 4

  1. A116
  2. B111
  3. C117
  4. D113
Show answer
Answer: (A) 116 Replace the signs: 6 × 19 + 54 ÷ 9 − 4 = 114 + 6 − 4 = 116.
Question 16

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 3 + 9 − 32 × 8 ÷ 6

  1. A27
  2. B23
  3. C20
  4. D25
Show answer
Answer: (D) 25 Replace the signs: 3 × 9 + 32 ÷ 8 − 6 = 27 + 4 − 6 = 25.
Question 17

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 9 + 10 − 64 × 8 ÷ 9

  1. A89
  2. B91
  3. C92
  4. D84
Show answer
Answer: (A) 89 Replace the signs: 9 × 10 + 64 ÷ 8 − 9 = 90 + 8 − 9 = 89.
Question 18

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 5 + 10 − 6 × 2 ÷ 3

  1. A48
  2. B50
  3. C55
  4. D51
Show answer
Answer: (B) 50 Replace the signs: 5 × 10 + 6 ÷ 2 − 3 = 50 + 3 − 3 = 50.
Question 19

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 5 + 19 − 54 × 6 ÷ 9

  1. A93
  2. B100
  3. C95
  4. D98
Show answer
Answer: (C) 95 Replace the signs: 5 × 19 + 54 ÷ 6 − 9 = 95 + 9 − 9 = 95.
Question 20

If '+' means '×', '−' means '+', '×' means '÷' and '÷' means '−', what is the value of: 6 + 15 − 18 × 9 ÷ 4

  1. A90
  2. B86
  3. C88
  4. D83
Show answer
Answer: (C) 88 Replace the signs: 6 × 15 + 18 ÷ 9 − 4 = 90 + 2 − 4 = 88.

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