The average of 8 numbers is 39. If one number is removed, the average of the remaining numbers becomes 36. What is the number removed?
- A62
- B61
- C63
- D60
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Answer: (D) 60
Removed number = 8 × 39 − 7 × 36 = 60.
AFCAT Average Questions with Answers & Explanations
15 Average questions from the Numerical Ability section of AFCAT, 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.
The average of 8 numbers is 32. If one number is removed, the average of the remaining numbers becomes 29. What is the number removed?
- A53
- B51
- C50
- D55
Show answer
Answer: (A) 53
Removed number = 8 × 32 − 7 × 29 = 53.
The average of 10 numbers is 50. If one number is removed, the average of the remaining numbers becomes 53. What is the number removed?
- A28
- B24
- C26
- D23
Show answer
Answer: (D) 23
Removed number = 10 × 50 − 9 × 53 = 23.
The average of 8 numbers is 59. If one number is removed, the average of the remaining numbers becomes 57. What is the number removed?
- A65
- B73
- C78
- D70
Show answer
Answer: (B) 73
Removed number = 8 × 59 − 7 × 57 = 73.
The average of 8 numbers is 29. If one number is removed, the average of the remaining numbers becomes 27. What is the number removed?
- A43
- B41
- C42
- D48
Show answer
Answer: (A) 43
Removed number = 8 × 29 − 7 × 27 = 43.
The average of 10 numbers is 35. If one number is removed, the average of the remaining numbers becomes 37. What is the number removed?
- A17
- B18
- C16
- D7
Show answer
Answer: (A) 17
Removed number = 10 × 35 − 9 × 37 = 17.
The average of 8 numbers is 27. If one number is removed, the average of the remaining numbers becomes 30. What is the number removed?
- A7
- B14
- C3
- D6
Show answer
Answer: (D) 6
Removed number = 8 × 27 − 7 × 30 = 6.
The average of 10 numbers is 56. If one number is removed, the average of the remaining numbers becomes 59. What is the number removed?
- A31
- B34
- C29
- D30
Show answer
Answer: (C) 29
Removed number = 10 × 56 − 9 × 59 = 29.
The average of 6 numbers is 56. If one number is removed, the average of the remaining numbers becomes 54. What is the number removed?
- A64
- B66
- C68
- D65
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Answer: (B) 66
Removed number = 6 × 56 − 5 × 54 = 66.
The average of 6 numbers is 22. If one number is removed, the average of the remaining numbers becomes 26. What is the number removed?
- A8
- B1
- C4
- D2
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Answer: (D) 2
Removed number = 6 × 22 − 5 × 26 = 2.
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Timed Numerical Ability test · 20 questions · instant rank
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?
- A20
- B16
- C19
- D14
Show answer
Answer: (C) 19
Removed number = 8 × 40 − 7 × 43 = 19.
The average of 10 numbers is 20. If one number is removed, the average of the remaining numbers becomes 22. What is the number removed?
- A2
- B5
- C1
- D7
Show answer
Answer: (A) 2
Removed number = 10 × 20 − 9 × 22 = 2.
The average of 8 numbers is 49. If one number is removed, the average of the remaining numbers becomes 47. What is the number removed?
- A68
- B58
- C71
- D63
Show answer
Answer: (D) 63
Removed number = 8 × 49 − 7 × 47 = 63.
The average of 5 numbers is 54. If one number is removed, the average of the remaining numbers becomes 52. What is the number removed?
- A63
- B62
- C67
- D61
Show answer
Answer: (B) 62
Removed number = 5 × 54 − 4 × 52 = 62.
The average of 5 numbers is 24. If one number is removed, the average of the remaining numbers becomes 27. What is the number removed?
- A12
- B7
- C11
- D15
Show answer
Answer: (A) 12
Removed number = 5 × 24 − 4 × 27 = 12.
These are RankerClub practice questions written in the AFCAT pattern. They are not official SSC/IBPS/RRB papers.
