Selected MCQ

Current Question
Coordinates of origin are ____.
  • A. (0,1)
  • B. (1,1)
  • C. (0,0)
  • D. (1,0)
Correct Answer: C
Explanation:
Definition of origin.
Related Question 1
The price of an article is reduced by 25%. To restore original price, the increase needed is ____.
  • A. 33 1/3 %
  • B. 9 1/11 %
  • C. 11 1/9 %
  • D. 66 2/3 %
Correct Answer: A
Explanation:
Same logic as above, increase must be 33 1/3%.
Related Question 2
The price of an article is reduced by 25%. By what percent should it be increased to restore the original price?
  • A. 33 1/3 %
  • B. 11 1/9 %
  • C. 9 1/11 %
  • D. 66 2/3 %
Correct Answer: A
Explanation:
Required increase = 25/75 ×100 = 33 1/3%.
Related Question 3
If a number is increased by 50% and becomes 75, the original number is ____.
  • A. 40
  • B. 45
  • C. 50
  • D. 60
Correct Answer: C
Explanation:
x × 1.5 = 75 → x = 50.
Related Question 4
If a number is decreased by 25% and becomes 150, the original number is ____.
  • A. 200
  • B. 180
  • C. 220
  • D. 240
Correct Answer: A
Explanation:
x × 0.75 = 150 → x = 200.
Related Question 5
If a number is increased by 15% and becomes 230, the original number is ____.
  • A. 180
  • B. 200
  • C. 210
  • D. 220
Correct Answer: B
Explanation:
x × 1.15 = 230 → x = 200.