- 07/02/2019 at 10:54 am #1287833EduGorillaKeymasterSelect Question Language :
A set of 7 pipes can fill 70% of a vessel in 7 minutes. Another set of 5 pipes can fill 2/5th of the vessel in 5 minutes. A third set of 10 pipes can empty 1/3rd of the tank in 10 minutes. How much time (in minutes) will it take to fill the entire tank if all the pipes are opened at the same time?
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