Join ExamsbookAnswer : 3. "7 hrs. 30 minutes."
Two pipes a fill a tank in 10 hours and 12 hours respectively, while a third pipe empties the full tank in 20 hours. If all the three pipes operate simultaneously, in how much time the tank will be filled?5
Q: Two pipes a fill a tank in 10 hours and 12 hours respectively, while a third pipe empties the full tank in 20 hours. If all the three pipes operate simultaneously, in how much time the tank will be filled?
- 17 hrs.false
- 28 hrs.false
- 37 hrs. 30 minutes.true
- 48 hrs. 30 min.false
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Answer : 3. "7 hrs. 30 minutes."
Explanation :
