Mathematics, 11.02.2021 22:50 AmityHeart

Pipes P and Q can fill a tank in 12 minutes and 16 minutes respectively. Both are kept open for X minutes, and then Q is closed. P fills the tank in 5 minutes. The value of X is?

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Pipes P and Q can fill a tank in 12 minutes and 16 minutes respectively. Both are kept open for X mi...