- A30 minutes
- B45 minutes
- C15 minutes
- D60 minutes
Step-by-Step Solution
After 5 min: . The other took 15 min: net . Leak : 45 minutes.
Answer: B) 45 minutes
A pipe fills a cistern in 15 minutes. After 5 minutes a leak starts, and the cistern is full 15 minutes after that. How long would the leak take to empty the full cistern?
Class 8Leaks and Changing PipesDirect and Inverse Proportions
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