A water tank has three taps A, B and C. Tap A, when opened, can fill the water tank alone in 4 hours. Tap B, when opened, can fill the water tank alone in 6 hours and tap C, when opened, can empty the water tank alone in 3 hours. If taps A, B and C are opened simultaneously how long Will it take to fill the tank completely?

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Asked: January 8, 20222022-01-08T21:37:04+05:30 2022-01-08T21:37:04+05:30Category: Number Puzzles

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Mighty Ashish · Answer 1 · 2022-01-08T21:37:33+05:30

Explanation:

Part of the tank filled in 1 hour when all Lhe taps are opened

=1\4 + 1\6 – 13

=3+2−4\12 = 1\12

Hence, the tank will be filled in 12 hours.