Selected MCQ

Current Question
(50 − ?/29)% of 4200 = 3√196. Find?
  • A. 1350
  • B. 1450
  • C. 1550
  • D. 1421
Correct Answer: D
Explanation:
Solve the Equation stepwise.
Related Question 1
A, B, C invest Rs. 6300, Rs. 4200, Rs. 10500. Find A’s share.
  • A. Rs. 3630
  • B. Rs. 2840
  • C. Rs. 3200
  • D. Rs. 5600
Correct Answer: A
Explanation:
The ratio-based distribution gives Rs. 3630.
Related Question 2
Total area of 64 squares is 400 cm². Find the side of the big square.
  • A. 17 cm
  • B. 20 cm
  • C. 23 cm
  • D. 26 cm
Correct Answer: D
Explanation:
Total side calculation.
Related Question 3
Khadija’s age after 1 year is twice her age 10 years ago. Find the present age.
  • A. 19
  • B. 20
  • C. 21
  • D. 22
Correct Answer: C
Explanation:
Solve Equation.
Related Question 4
Three years ago, the average age of 6 members was 19. Find the present age of a boy.
  • A. 1 year
  • B. 1.5 years
  • C. 2 years
  • D. 2.5 years
Correct Answer: A
Explanation:
Total age difference method.
Related Question 5
Pipes A, B, C fill tank in 12, 15, 20 houRs. Find time together.
  • A. 6 hours
  • B. 6⅔ hours
  • C. 7 hours
  • D. 7½ hours
Correct Answer: C
Explanation:
Combined rate method.