Question: A tank has two leakages. The first leakage alone can empty the tank in 9 minutes and the second alone would have done it in 6 minutes. If water leaks out at a constant rate. how long does it take both the leakage together to empty the tank ?

Question 1: A tank has two leakages. The first leakage alone can empty the tank in 9 minutes and the second alone would have done it in 6 minutes. If water leaks out at a constant rate. how long does it take both the leakage together to empty the tank ?

View topic: নল ও চৌবাচ্চা (Pipes and Cistern)

3.6 min

3.1 min

3.5 min

4.0 min

Source: অফিসার (মুক্তিযোদ্ধা) ০৮.০২.২০১৯

Answer: 3.6 min

Explanation:

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3 pums, working 8 hours a day, can empty a tank in 2 days. How many hours a day must 4 pumps work to empty the tank in 1 day?

A tank has two leakages. The first leakage alone can empty the tank in 9 min and the second alone would have done it in 6 min. If water leaks out at a constant rate , how long does it take both the leakage together to empty the tank?

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দুটি নল দ্বারা একটি চৌবাচ্চা যথাক্রমে ১০ ও ১৫ ঘণ্টায় পানি পূর্ণ করে। নল দুটি একত্রে খােলা রাখলে চৌবাচ্চাটি কতক্ষণে পূর্ণ হবে?

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