Selected MCQ

Current Question
A tank 3 m long, 2 m wide, and 1.5 m deep is dug. If soil is spread over a field, what is the rise in level?
  • A. 0.299 cm
  • B. 0.29 cm
  • C. 2.98 cm
  • D. 4.15 cm
Correct Answer: C
Explanation:
Volume ÷ field area.
Related Question 1
A tank is 7 m long and 4 m wide. What speed is needed for water flow?
  • A. 12 km/hr
  • B. 10 km/hr
  • C. 14 km/hr
  • D. None
Correct Answer: B
Explanation:
Flow rate derived from volume/time.
Related Question 2
A rectangular field 30 m long and 20 m broad is dug uniformly. How deep should it be so that the removed earth forms a cube?
  • A. 12 cm
  • B. 10 cm
  • C. 18 cm
  • D. 24 cm
Correct Answer: B
Explanation:
Volume conservation gives depth = 10 cm.
Related Question 3
A petrol tank lasts 10 days. If consumption patterns change, how long will it last?
  • A. 5 days
  • B. 6 days
  • C. 7 days
  • D. 8 days
Correct Answer: D
Explanation:
Adjusting the consumption rate leads to a duration of 8 days.
Related Question 4
If two pipes fill a tank in 6 hours, how long does one pipe take if the other fills in 10 hours?
  • A. 5 hours
  • B. 10 hours
  • C. 15 hours
  • D. 20 hours
Correct Answer: C
Explanation:
Using the rate formula gives 15 houRs.
Related Question 5
A room is 6.24 m long and 4.32 m wide. What is the least number of equal square tiles needed?
  • A. 110
  • B. 124
  • C. 96
  • D. 117
Correct Answer: D
Explanation:
Divide the area using the largest square tile size.