BrainBashers Puzzles

Puzzle IconMy bath has two taps and a plug hole.

The cold tap on its own fills the bath in 18 minutes, the hot one in 9 minutes.

The plug hole can drain the bath in 15 minutes with the taps off.

How long will the bath take to fill if I leave both taps on with the plug left out?

[Ref: ZVHH] Copyrighted


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