One top can fill a cistern in 2 hours and another can empty the cistern in 3 hours. How long will they take to fill the cistern if both the taps are opened? | MCQ Hive

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Q One top can fill a cistern in 2 hours and another can empty the cistern in 3 hours. How long will they take to fill the cistern if both the taps are opened?

A A. 5 hours
B B. 6 hours
C C. 7 hours
D D. 8 hours

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