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31 votes
31 votes
Two taps, *A* and *B* are of different sizes. Tap A fills a container with water in 3 minutes and Tap B fills the same container in 5 minutes. How much time Will it take if both the taps are turned on at the same time.

answer with working​

User Vikarjramun
by
3.1k points

1 Answer

20 votes
20 votes
On its own tap A fills 1/3 of the container each minute.
On its own tap B fills 1/5 of the container each minute.
Both taps together will fill 1/3 + 1/5 = 5/15 + 3/15 = 8/15 of container per minute.
Filling the whole container using both taps will take 15/8 minutes = 1 7/8 minutes = 1 min 52.5 secs
User Vlad Preda
by
2.9k points
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