Selected MCQ

Current Question
The average marks of a class are 60. If the top 5 students average 80, what is the average of the remaining?
  • A. 50
  • B. 55
  • C. 58
  • D. 60
Correct Answer: B
Explanation:
Weighted average calculation.
Related Question 1
In an exam, three students score 64%, 36%, and 44% of 800 marks. What is the average score?
  • A. 384
  • B. 364
  • C. 324
  • D. 404
Correct Answer: A
Explanation:
Average = 48% of 800 = 384.
Related Question 2
A pupil’s marks were recorded as 83 instead of 63. As a result of this error, the average increased by 0.5. How many students are there?
  • A. 10
  • B. 20
  • C. 40
  • D. 73
Correct Answer: C
Explanation:
Increase of 20 marks spread over students ⇒ 20 ÷ 0.5 = 40.
Related Question 3
A student scores 60 in Maths and Physics. Chemistry is 20 marks more than Maths. Find the average marks.
  • A. 40
  • B. 30
  • C. 25
  • D. Data inadequate
Correct Answer: A
Explanation:
Total = 60 + 60 + 80 = 200 → avg = 40.
Related Question 4
In an exam, the average marks per paper are 63. Total papers are ____.
  • A. 8
  • B. 9
  • C. 10
  • D. 11
Correct Answer: D
Explanation:
Based on the total marks division.
Related Question 5
In a school of 850 students, 44% are Muslims, 28% Hindus, 10% Sikhs. Remaining are ____.
  • A. 173
  • B. 163
  • C. 153
  • D. 143
Correct Answer: C
Explanation:
Remaining = 18% of 850 = 153.