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Pipe A can fill an empty tank in 6 hours...

Pipe A can fill an empty tank in 6 hours and pipe B in 8 hours. If both the pipes are opened and after 2 hours pipe A is closed, how much time B will take to fill the remaining tank?
पाइप A एक खाली टंक को 6 घंटे में भर सकता है और पाइप B 8 घंटे में भर सकता है। यदि दोनों पाइप एक साथ खोले जाए, और 2 घंटे बाद पाइप A बंद कर दिया जाए,तो शेष टैक भरने में B को कितना समय लगेगा?

A

A)`2 1/3` hours

B

B)`7 1/2` hours

C

C)`3 1/3` hours

D

D)`2 2/5` hours

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CHAMPION PUBLICATION-2015 TIER-II PAPER(17)-EXERCISE
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