Selected MCQ

Current Question
If P is 6 times Q, what percent is Q less than P?
  • A. 83⅓%
  • B. 16⅔%
  • C. 90%
  • D. 60%
Correct Answer: A
Explanation:
Q = 1/6 P → decrease = 83⅓%.
Related Question 1
Salary of X is 30% more than Y. Y is what percent less than x = ____.
  • A. 30%
  • B. 25 1/13 %
  • C. 23 1/13 %
  • D. 22 1/13 %
Correct Answer: C
Explanation:
Percentage difference formula.
Related Question 2
In an exam of 500 marks, A scores 10% less than B, B scores 25% more than C, and C scores 20% less than full marks. Find A’s mark percentage.
  • A. 70%
  • B. 90%
  • C. 80%
  • D. 75%
Correct Answer: C
Explanation:
Stepwise percentage adjustment gives 80%.
Related Question 3
A man buys an article at 10% less than its value and sells it at 10% more. What is his gain percent?
  • A. No profit
  • B. 20%
  • C. Less than 20%
  • D. More than 20%
Correct Answer: D
Explanation:
The combined effect gives more than 20% gain.
Related Question 4
The tens digit of a two-digit number is 2 more than the units digit. The number is 7 times the sum of its digits. Find the units digit.
  • A. 1
  • B. 2
  • C. 3
  • D. 4
Correct Answer: B
Explanation:
Let the unit digit = x, solve Equation.
Related Question 5
A sum becomes triple in 3 years at compound interest. In how many years will it become 9 times?
  • A. 18
  • B. 12
  • C. 9
  • D. 6
Correct Answer: D
Explanation:
Growth is exponential → 6 years.