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Question: 
An empty swimming pool can be filled to capacity through an inlet pipe in 3 hours and it can be completely drained by a drainpipe in 6 hours. If both pipes are fully open at the same time, in how many hours will the empty pool be filled to capacity?
Answer: 
6
4
5
6
5.5
6
Last Updated: 
08/11/2021 - 03:24

এই প্রশ্নটি কোন প্রশ্নব্যাংক -এ অন্তর্ভুক্ত করা হয়নি ।

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