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SSC CHSL Average Questions with Answers & Explanations

18 Average questions from the Quantitative Aptitude section of SSC CHSL, 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

The average of 5 numbers is 40. If one number is removed, the average of the remaining numbers becomes 42. What is the number removed?

  1. A31
  2. B27
  3. C32
  4. D35
Show answer
Answer: (C) 32 Removed number = 5 × 40 − 4 × 42 = 32.
Question 2

The average of 8 numbers is 46. If one number is removed, the average of the remaining numbers becomes 50. What is the number removed?

  1. A20
  2. B18
  3. C15
  4. D19
Show answer
Answer: (B) 18 Removed number = 8 × 46 − 7 × 50 = 18.
Question 3

The average of 5 numbers is 39. If one number is removed, the average of the remaining numbers becomes 36. What is the number removed?

  1. A46
  2. B53
  3. C54
  4. D51
Show answer
Answer: (D) 51 Removed number = 5 × 39 − 4 × 36 = 51.
Question 4

The average of 5 numbers is 27. If one number is removed, the average of the remaining numbers becomes 24. What is the number removed?

  1. A41
  2. B39
  3. C36
  4. D44
Show answer
Answer: (B) 39 Removed number = 5 × 27 − 4 × 24 = 39.
Question 5

The average of 5 numbers is 37. If one number is removed, the average of the remaining numbers becomes 34. What is the number removed?

  1. A49
  2. B46
  3. C48
  4. D44
Show answer
Answer: (A) 49 Removed number = 5 × 37 − 4 × 34 = 49.
Question 6

The average of 8 numbers is 50. If one number is removed, the average of the remaining numbers becomes 48. What is the number removed?

  1. A69
  2. B64
  3. C61
  4. D72
Show answer
Answer: (B) 64 Removed number = 8 × 50 − 7 × 48 = 64.
Question 7

The average of 10 numbers is 36. If one number is removed, the average of the remaining numbers becomes 34. What is the number removed?

  1. A54
  2. B49
  3. C56
  4. D64
Show answer
Answer: (A) 54 Removed number = 10 × 36 − 9 × 34 = 54.
Question 8

The average of 6 numbers is 23. If one number is removed, the average of the remaining numbers becomes 20. What is the number removed?

  1. A37
  2. B36
  3. C32
  4. D38
Show answer
Answer: (D) 38 Removed number = 6 × 23 − 5 × 20 = 38.
Question 9

The average of 5 numbers is 51. If one number is removed, the average of the remaining numbers becomes 49. What is the number removed?

  1. A59
  2. B54
  3. C57
  4. D64
Show answer
Answer: (A) 59 Removed number = 5 × 51 − 4 × 49 = 59.
Question 10

The average of 10 numbers is 26. If one number is removed, the average of the remaining numbers becomes 23. What is the number removed?

  1. A53
  2. B48
  3. C63
  4. D50
Show answer
Answer: (A) 53 Removed number = 10 × 26 − 9 × 23 = 53.

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Question 11

The average of 10 numbers is 45. If one number is removed, the average of the remaining numbers becomes 43. What is the number removed?

  1. A58
  2. B60
  3. C53
  4. D63
Show answer
Answer: (D) 63 Removed number = 10 × 45 − 9 × 43 = 63.
Question 12

The average of 8 numbers is 34. If one number is removed, the average of the remaining numbers becomes 36. What is the number removed?

  1. A22
  2. B28
  3. C20
  4. D23
Show answer
Answer: (C) 20 Removed number = 8 × 34 − 7 × 36 = 20.
Question 13

The average of 10 numbers is 49. If one number is removed, the average of the remaining numbers becomes 46. What is the number removed?

  1. A77
  2. B66
  3. C73
  4. D76
Show answer
Answer: (D) 76 Removed number = 10 × 49 − 9 × 46 = 76.
Question 14

The average of 6 numbers is 31. If one number is removed, the average of the remaining numbers becomes 33. What is the number removed?

  1. A27
  2. B23
  3. C21
  4. D15
Show answer
Answer: (C) 21 Removed number = 6 × 31 − 5 × 33 = 21.
Question 15

The average of 6 numbers is 50. If one number is removed, the average of the remaining numbers becomes 52. What is the number removed?

  1. A42
  2. B40
  3. C43
  4. D45
Show answer
Answer: (B) 40 Removed number = 6 × 50 − 5 × 52 = 40.
Question 16

The average of 8 numbers is 50. If one number is removed, the average of the remaining numbers becomes 52. What is the number removed?

  1. A33
  2. B38
  3. C36
  4. D41
Show answer
Answer: (C) 36 Removed number = 8 × 50 − 7 × 52 = 36.
Question 17

The average of 8 numbers is 34. If one number is removed, the average of the remaining numbers becomes 36. What is the number removed?

  1. A12
  2. B21
  3. C17
  4. D20
Show answer
Answer: (D) 20 Removed number = 8 × 34 − 7 × 36 = 20.
Question 18

The average of 8 numbers is 52. If one number is removed, the average of the remaining numbers becomes 55. What is the number removed?

  1. A31
  2. B36
  3. C23
  4. D32
Show answer
Answer: (A) 31 Removed number = 8 × 52 − 7 × 55 = 31.

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

More Quantitative Aptitude topics

Number System 30 Qs Speed, Time & Distance 23 Qs Profit, Loss & Discount 22 Qs Simple & Compound Interest 20 Qs Ratio & Proportion 18 Qs Algebra 18 Qs Mensuration 18 Qs Percentage 17 Qs

All SSC CHSL topics →