A tap leaks at the rate of 2cm 3 per seconds. How long will it
MATHEMATICS
WAEC 2000
A tap leaks at the rate of 2cm3 per seconds. How long will it take the tap to fill a container of 45 liters capacity? (1 liters = 1000cm3)
- A. 8 hours
- B. 6hr 15min
- C. 4hr 25min
- D. 3hr
Correct Answer: B. 6hr 15min
Explanation
Total capacity of the container = 45 liters = 45 x 1000
= 45000 cm\(^3\)
Time to fill the container = \(\frac{45000}{2}\)
= 22500 seconds
= \(\frac{22500}{3600}\)
= 6 hr 15 mins
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