Math, asked by vinodepandey0789, 1 day ago

A tank has two pipes X and Y. Pipe Y empties the tank. If only pipe X is open, then the
tank is filled in 14 hours and if both the pipes are open, then the tank is filled in 21 hours. In how much time can the full tank be emptied if only pipe Y is open?

Answers

Answered by shraddhanoneriya

0

Step-by-step explanation:

y=7

please mark it as brainliest

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