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SSC GD Constable Average Questions with Answers & Explanations

18 Average questions from the Elementary Mathematics 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

The average of 5 numbers is 20. If one number is removed, the average of the remaining numbers becomes 17. What is the number removed?

  1. A32
  2. B33
  3. C27
  4. D37
Show answer
Answer: (A) 32 Removed number = 5 × 20 − 4 × 17 = 32.
Question 2

The average of 8 numbers is 40. If one number is removed, the average of the remaining numbers becomes 43. What is the number removed?

  1. A20
  2. B19
  3. C21
  4. D14
Show answer
Answer: (B) 19 Removed number = 8 × 40 − 7 × 43 = 19.
Question 3

The average of 5 numbers is 52. If one number is removed, the average of the remaining numbers becomes 56. What is the number removed?

  1. A34
  2. B31
  3. C41
  4. D36
Show answer
Answer: (D) 36 Removed number = 5 × 52 − 4 × 56 = 36.
Question 4

The average of 10 numbers is 31. If one number is removed, the average of the remaining numbers becomes 33. What is the number removed?

  1. A12
  2. B18
  3. C13
  4. D11
Show answer
Answer: (C) 13 Removed number = 10 × 31 − 9 × 33 = 13.
Question 5

The average of 5 numbers is 47. If one number is removed, the average of the remaining numbers becomes 44. What is the number removed?

  1. A54
  2. B59
  3. C64
  4. D61
Show answer
Answer: (B) 59 Removed number = 5 × 47 − 4 × 44 = 59.
Question 6

The average of 8 numbers is 58. If one number is removed, the average of the remaining numbers becomes 55. What is the number removed?

  1. A71
  2. B79
  3. C78
  4. D76
Show answer
Answer: (B) 79 Removed number = 8 × 58 − 7 × 55 = 79.
Question 7

The average of 10 numbers is 54. If one number is removed, the average of the remaining numbers becomes 57. What is the number removed?

  1. A32
  2. B28
  3. C27
  4. D26
Show answer
Answer: (C) 27 Removed number = 10 × 54 − 9 × 57 = 27.
Question 8

The average of 8 numbers is 36. If one number is removed, the average of the remaining numbers becomes 33. What is the number removed?

  1. A60
  2. B62
  3. C57
  4. D58
Show answer
Answer: (C) 57 Removed number = 8 × 36 − 7 × 33 = 57.
Question 9

The average of 5 numbers is 54. If one number is removed, the average of the remaining numbers becomes 57. What is the number removed?

  1. A44
  2. B42
  3. C45
  4. D43
Show answer
Answer: (B) 42 Removed number = 5 × 54 − 4 × 57 = 42.
Question 10

The average of 5 numbers is 31. If one number is removed, the average of the remaining numbers becomes 28. What is the number removed?

  1. A42
  2. B48
  3. C43
  4. D38
Show answer
Answer: (C) 43 Removed number = 5 × 31 − 4 × 28 = 43.

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Question 11

The average of 8 numbers is 47. If one number is removed, the average of the remaining numbers becomes 50. What is the number removed?

  1. A23
  2. B21
  3. C26
  4. D27
Show answer
Answer: (C) 26 Removed number = 8 × 47 − 7 × 50 = 26.
Question 12

The average of 10 numbers is 60. If one number is removed, the average of the remaining numbers becomes 64. What is the number removed?

  1. A25
  2. B22
  3. C34
  4. D24
Show answer
Answer: (D) 24 Removed number = 10 × 60 − 9 × 64 = 24.
Question 13

The average of 8 numbers is 49. If one number is removed, the average of the remaining numbers becomes 53. What is the number removed?

  1. A21
  2. B23
  3. C24
  4. D13
Show answer
Answer: (A) 21 Removed number = 8 × 49 − 7 × 53 = 21.
Question 14

The average of 6 numbers is 22. If one number is removed, the average of the remaining numbers becomes 25. What is the number removed?

  1. A5
  2. B9
  3. C7
  4. D2
Show answer
Answer: (C) 7 Removed number = 6 × 22 − 5 × 25 = 7.
Question 15

The average of 8 numbers is 60. If one number is removed, the average of the remaining numbers becomes 57. What is the number removed?

  1. A79
  2. B83
  3. C80
  4. D81
Show answer
Answer: (D) 81 Removed number = 8 × 60 − 7 × 57 = 81.
Question 16

The average of 6 numbers is 46. If one number is removed, the average of the remaining numbers becomes 43. What is the number removed?

  1. A64
  2. B61
  3. C58
  4. D55
Show answer
Answer: (B) 61 Removed number = 6 × 46 − 5 × 43 = 61.
Question 17

The average of 5 numbers is 45. If one number is removed, the average of the remaining numbers becomes 48. What is the number removed?

  1. A33
  2. B35
  3. C36
  4. D28
Show answer
Answer: (A) 33 Removed number = 5 × 45 − 4 × 48 = 33.
Question 18

The average of 6 numbers is 42. If one number is removed, the average of the remaining numbers becomes 40. What is the number removed?

  1. A51
  2. B52
  3. C47
  4. D46
Show answer
Answer: (B) 52 Removed number = 6 × 42 − 5 × 40 = 52.

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

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