Posted by
**Lucifer** on
.

One pipe fills a tank in 1 hour while another pipe can fill the same tank in 2 hours. How long will it take to fill the tank if both pipes are used.

Sunday

March 26, 2017
Posted by
**Lucifer** on
.

One pipe fills a tank in 1 hour while another pipe can fill the same tank in 2 hours. How long will it take to fill the tank if both pipes are used.

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