TS ICET 24 May 2019 Shift 1 Paper

Question : 97 of 200

Marks: +1, -0

Two pipes A and B can fill a tank in 2 horns and 3 hours respectively. If both the pipes are opened together the time required in minutes to fill the tank is:

Validate

Solution:

Part of the tank filled in 1 minute

\;{1}/{120}+\;{1}/{180}=\;{3+2}/{360}=\;{3}/{360}=\;{1}/{72}

Hence it takes 72 minutes to fill the empty tank

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