Category: Mathematics | Last updated: 2026-09-18

If 3 taps fill a pool in 4, 6, and 12 hours, all three together fill it in:

A) 1 hour

B) 1.5 hours

C) 2 hours

D) 3 hours

Explanation

1/4 + 1/6 + 1/12 = 3/12 + 2/12 + 1/12 = 6/12 = 1/2. Time = 2 hours.

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