Question

Pipe ‘A’ can fill a tank in 20 hours while pipe

Q: Answer-Pipe ‘A’ can fill a tank in 20 hours while pipe ‘B’ can empty it in 30 hours. They were operated on...

Given Pipe A fills in 20 hours Rate 120 Pipe B empties in 30 hours Rate 130 Net work in 2 hours 57 hours 28 cycles 1 hour. Work in 28 cycles Work by A in 1 hour 120 Total filled Percentage filled

‘B’ can empty it in 30 hours. They were operated on alternate hours starting with pipe ‘A’. Find the percentage of tank filled this way in 57 hours.

A 51.67%

B 25%

C 37.5%

D 27.5%

E 5%

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IBPS PO

Pipe ‘A’ can fill a tank in 20 hours while pipe

Solution

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