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Pipes and Cisterns - Data Intensity 1 Multiple Questions and Answers.
| 6. | A cistern is normally filled in 8 hours but takes two hours longer to fill because of a leak in its bottom. If the cistern is full the leak will empty it in. | ||
| A. | 16 hrs | ||
| B. | 20 hrs | ||
| C. | 25 hrs | ||
| D. | 40 hrs | ||
| 7. | One top can fill a cistern in 2 hours and another can empty the cistern in 3 hours. How long will they take to fill the cistern if both the taps are opened? | ||
| A. | 5 Hours | ||
| B. | 6 Hours | ||
| C. | 7 Hours | ||
| D. | 8 Hours | ||
| 8. | A top can fill a cistern in 8 hours and another can empty it in 16 hours. If both the taps are opened simultaneously the time (in hours) to fill the tank is | ||
| A. | 8 | ||
| B. | 10 | ||
| C. | 16 | ||
| D. | 24 | ||
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