Selected MCQ

Current Question
In a class of 120 students, 45 received a grade of B. What percentage is this?
  • A. 75%
  • B. 25.6%
  • C. 37.5%
  • D. 18.5%
Correct Answer: C
Explanation:
(45/120)×100 = 37.5%.
Related Question 1
In two years, 100 and 75 students appeared. Pass percentages were 75% and 60%. Overall pass % is ____.
  • A. 68 4/7 %
  • B. 78%
  • C. 80%
  • D. 80 4/7%
Correct Answer: A
Explanation:
The weighted average is 68 4/7%.
Related Question 2
In a class of 140 students, 60% passed. What percent failed?
  • A. 80%
  • B. 20%
  • C. 40%
  • D. 50%
Correct Answer: C
Explanation:
Failed = 100 − 60 = 40%.
Related Question 3
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 4
The population of a town increased from 175000 to 262500 in 10 years. Find the average annual percentage increase.
  • A. 4.37%
  • B. 5%
  • C. 6%
  • D. 8.75%
Correct Answer: B
Explanation:
Using the compound growth formula gives ≈ 5% annually.
Related Question 5
Out of 100 students, 50 failed English, and 30 failed Math. If 12 failed both, how many failed at least one?
  • A. 26
  • B. 28
  • C. 32
  • D. 68
Correct Answer: D
Explanation:
Total = 50 + 30 − 12 = 68.