Selected MCQ

Current Question
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.
Related Question 1
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 2
Three pipes fill a tank in 6 houRs. After 2 hours, one is closed. Remaining time is ____.
  • A. 10
  • B. 12
  • C. 14
  • D. 16
Correct Answer: C
Explanation:
Work-rate adjustment.
Related Question 3
A man can complete a work in 12 days. He works for 4 days. Remaining work is ____.
  • A. 1/2
  • B. 1/3
  • C. 2/3
  • D. 3/4
Correct Answer: C
Explanation:
Work done = 4/12 = 1/3 → remaining = 2/3.
Related Question 4
If P finishes work in 18 days and Q in 15 days, and Q leaves after 10 days, remaining work is done in ____.
  • A. 8
  • B. 6
  • C. 4
  • D. 2
Correct Answer: B
Explanation:
Remaining work divided by P’s rate.
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.