Selected MCQ

Current Question
If 50x = 1000, then x = ____.
  • A. 10
  • B. 15
  • C. 20
  • D. 25
Correct Answer: C
Explanation:
x = 1000/50.
Related Question 1
If cost price is Rs. 1000 and selling price is Rs. 850, loss percent is ____.
  • A. 10%
  • B. 12%
  • C. 15%
  • D. 20%
Correct Answer: C
Explanation:
Loss = 150 → 15%.
Related Question 2
If the difference between compound and simple interest for 2 years is Rs. 50 on Rs. 1000, find the rate?
  • A. 5%
  • B. 10%
  • C. 7%
  • D. 8%
Correct Answer: A
Explanation:
Difference = P(R/100)² → R = 5%.
Related Question 3
If cost price is Rs. 800 and selling price is Rs. 1000, profit percent is ____.
  • A. 20%
  • B. 25%
  • C. 30%
  • D. 15%
Correct Answer: B
Explanation:
Profit = 200 → 200/800 ×100 = 25%.
Related Question 4
Of 1000 inhabitants, 60% are males, and 20% of males are literate. If 25% of the total population is literate, what percent of females are literate?
  • A. 22.5%
  • B. 27.5%
  • C. 32.5%
  • D. 37.5%
Correct Answer: C
Explanation:
Total literates − male literates gives female literacy = 32.5%.
Related Question 5
In a ship, food for 800 men lasts 50 days. For 1000 men, it lasts ____.
  • A. 40
  • B. 50
  • C. 30
  • D. 56
Correct Answer: A
Explanation:
Inverse proportion gives 40 days.