🎯 RankerClub is 100% Free — 97 full-length mock tests with an instant all-India rank. Register Free →
RankerClub
Log in Get Started Free
Log in Register Free

CTET Simplification & Approximation Questions with Answers & Explanations

18 Simplification & Approximation questions from the Mathematics section of CTET, 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.

Take the Mathematics test → CTET full mocks
Question 1

Simplify: 25 + 15 × 8 − 54 ÷ 6

  1. A136
  2. B132
  3. C154
  4. D146
Show answer
Answer: (A) 136 By BODMAS: 15 × 8 = 120, 54 ÷ 6 = 9; 25 + 120 − 9 = 136.
Question 2

Simplify: 15 + 11 × 4 − 99 ÷ 9

  1. A48
  2. B70
  3. C44
  4. D58
Show answer
Answer: (A) 48 By BODMAS: 11 × 4 = 44, 99 ÷ 9 = 11; 15 + 44 − 11 = 48.
Question 3

Simplify: 63 + 4 × 8 − 8 ÷ 4

  1. A534
  2. B93
  3. C89
  4. D97
Show answer
Answer: (B) 93 By BODMAS: 4 × 8 = 32, 8 ÷ 4 = 2; 63 + 32 − 2 = 93.
Question 4

Simplify: 52 + 9 × 5 − 20 ÷ 5

  1. A93
  2. B89
  3. C301
  4. D103
Show answer
Answer: (A) 93 By BODMAS: 9 × 5 = 45, 20 ÷ 5 = 4; 52 + 45 − 4 = 93.
Question 5

Simplify: 51 + 9 × 5 − 35 ÷ 5

  1. A99
  2. B293
  3. C85
  4. D89
Show answer
Answer: (D) 89 By BODMAS: 9 × 5 = 45, 35 ÷ 5 = 7; 51 + 45 − 7 = 89.
Question 6

Simplify: 82 + 12 × 7 − 72 ÷ 9

  1. A650
  2. B168
  3. C158
  4. D174
Show answer
Answer: (C) 158 By BODMAS: 12 × 7 = 84, 72 ÷ 9 = 8; 82 + 84 − 8 = 158.
Question 7

Simplify: 21 + 7 × 7 − 60 ÷ 5

  1. A184
  2. B68
  3. C82
  4. D58
Show answer
Answer: (D) 58 By BODMAS: 7 × 7 = 49, 60 ÷ 5 = 12; 21 + 49 − 12 = 58.
Question 8

Simplify: 84 + 3 × 4 − 63 ÷ 7

  1. A339
  2. B87
  3. C105
  4. D97
Show answer
Answer: (B) 87 By BODMAS: 3 × 4 = 12, 63 ÷ 7 = 9; 84 + 12 − 9 = 87.
Question 9

Simplify: 57 + 14 × 7 − 72 ÷ 9

  1. A163
  2. B157
  3. C147
  4. D489
Show answer
Answer: (C) 147 By BODMAS: 14 × 7 = 98, 72 ÷ 9 = 8; 57 + 98 − 8 = 147.
Question 10

Simplify: 90 + 13 × 9 − 12 ÷ 3

  1. A203
  2. B199
  3. C213
  4. D211
Show answer
Answer: (A) 203 By BODMAS: 13 × 9 = 117, 12 ÷ 3 = 4; 90 + 117 − 4 = 203.

Ready for the real thing?
Timed Mathematics test · 30 questions · instant rank

Start free test
Question 11

Simplify: 52 + 10 × 4 − 20 ÷ 5

  1. A84
  2. B96
  3. C244
  4. D88
Show answer
Answer: (D) 88 By BODMAS: 10 × 4 = 40, 20 ÷ 5 = 4; 52 + 40 − 4 = 88.
Question 12

Simplify: 28 + 14 × 2 − 9 ÷ 3

  1. A59
  2. B63
  3. C49
  4. D53
Show answer
Answer: (D) 53 By BODMAS: 14 × 2 = 28, 9 ÷ 3 = 3; 28 + 28 − 3 = 53.
Question 13

Simplify: 62 + 11 × 8 − 4 ÷ 2

  1. A144
  2. B158
  3. C148
  4. D152
Show answer
Answer: (C) 148 By BODMAS: 11 × 8 = 88, 4 ÷ 2 = 2; 62 + 88 − 2 = 148.
Question 14

Simplify: 35 + 15 × 5 − 20 ÷ 4

  1. A101
  2. B245
  3. C105
  4. D115
Show answer
Answer: (C) 105 By BODMAS: 15 × 5 = 75, 20 ÷ 4 = 5; 35 + 75 − 5 = 105.
Question 15

Simplify: 30 + 4 × 2 − 32 ÷ 4

  1. A30
  2. B46
  3. C60
  4. D26
Show answer
Answer: (A) 30 By BODMAS: 4 × 2 = 8, 32 ÷ 4 = 8; 30 + 8 − 8 = 30.
Question 16

Simplify: 58 + 8 × 3 − 60 ÷ 6

  1. A82
  2. B92
  3. C188
  4. D72
Show answer
Answer: (D) 72 By BODMAS: 8 × 3 = 24, 60 ÷ 6 = 10; 58 + 24 − 10 = 72.
Question 17

Simplify: 17 + 9 × 3 − 42 ÷ 6

  1. A47
  2. B51
  3. C33
  4. D37
Show answer
Answer: (D) 37 By BODMAS: 9 × 3 = 27, 42 ÷ 6 = 7; 17 + 27 − 7 = 37.
Question 18

Simplify: 80 + 3 × 3 − 55 ÷ 5

  1. A74
  2. B88
  3. C238
  4. D78
Show answer
Answer: (D) 78 By BODMAS: 3 × 3 = 9, 55 ÷ 5 = 11; 80 + 9 − 11 = 78.

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

More Mathematics topics

Number System 26 Qs Profit, Loss & Discount 23 Qs Speed, Time & Distance 23 Qs Simple & Compound Interest 19 Qs Mensuration 18 Qs Percentage 17 Qs Problems on Ages 17 Qs Ratio & Proportion 17 Qs

All CTET topics →