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Questions On Pipe & Cistern(पाइप और सिस्टर्न पर प्रश्न)|OMR|Summary

Questions On Pipe & Cistern(पाइप और सिस्टर्न पर प्रश्न)|OMR|Summary

Two pipes A and B can separately fill a cistern in 40 minutes and 30 minutes respectively. There is a third pipe in the bottom of the cistern to empty it. If all the three pipes are simultaneously opened, then the cistern is full in 20 minutes. In how much time, the third pipe alone can empty the cistern?

Concept Of Pipe & Cistern(पाइप और सिस्टर्न की अवधारणा)|Questions On Pipe & Cistern(पाइप और सिस्टर्न पर प्रश्न)|OMR|Summary

Concept Of Pipe & Cistern(पाइप और सिस्टर्न की अवधारणा)|Questions On Pipe & Cistern(पाइप और सिस्टर्न पर प्रश्न)|OMR

One pipe can fill a cistren in 3 hours less than the other. The two pipes together can fill the cistern in 6 hours 40 minutes. Find the time that each pipe will take to fill the cistern.