TS ICET 30 Sep 2020 Shift 1 Paper

Question : 96 of 200

Marks: +1, -0

An overhead tank is connected by 3 pumps

A, B

and

C

. The pumps

A

and

B

can fill the tank in 4 hours and 5 hours respectively, where as

C

can empty the Tank in 2 hours. If

{A}, {B}

and

{C}

are opened in order at

5.00 {am} ; 6.00 {am}

and

7.00 {am}

when will the tank be empty?

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