Selected MCQ

Current Question
What percent of 400 plus 40% of 160 equals 17% of 400 ____.
  • A. 4
  • B. 0.1
  • C. 1
  • D. 0.4
Correct Answer: C
Explanation:
Solve equation: x% of 400 + 64 = 68 → x = 1.
Related Question 1
A rectangular carpet has an area of 60 m². The diagonal plus the longer side equals five times the shorter side. What is the length?
  • A. 5 m
  • B. 12 m
  • C. 13 m
  • D. 14.5 m
Correct Answer: B
Explanation:
Using the Pythagorean relation gives a length of 12 m.
Related Question 2
If the selling price of 50 articles equals the cost price of 40 articles, find the gain or loss percent.
  • A. 20% loss
  • B. 20% gain
  • C. 25% loss
  • D. 25% gain
Correct Answer: A
Explanation:
CP higher than SP leads to 20% loss.
Related Question 3
If the cost price of 50 articles equals the selling price of 40 articles, what is the gain or loss percent?
  • A. 20% loss
  • B. 20% profit
  • C. 10% profit
  • D. None
Correct Answer: D
Explanation:
SP/CP ratio = 50/40 = 1.25 ⇒ 25% profit (not in options).
Related Question 4
12 inches equals how many centimeters?
  • A. 30.48
  • B. 29
  • C. 34.12
  • D. 24
Correct Answer: A
Explanation:
1 inch = 2.54 cm.
Related Question 5
Three numbers: 5/7 of the first equals 48% of the second, and the second is 1/9 of the third. Find first.
  • A. 168
  • B. 84
  • C. 42
  • D. 21
Correct Answer: D
Explanation:
Solve the proportion.