Question

A Pipe Fills Up A Tank In 8 Mins. Another Pipe Drains 6 Kilo Liters Of Water In 1 Min. If Both The Pipes Of The Tank Are Opened At Same Time, Then The Tank Gets Filled Up In 20 Mins. What Is The Capacity Of Tank In Kilo Liters?

Answer 1

Answer:

450 kilo liters

Step-by-step explanation:

let tank be X litres

pipe A fills X litres of tank in 8mins

so 1 minute work is =1/8x

in same way B drains 6000 litres in 1 min

so 1 minute work = - 1/6000 ("-" minus indicates draining)

so adding both equations

1/8x+(-1/6000)=1/20              (1/20 indicates total time of a and b)

6000-8x=2400

x=450

solving this we get X=450

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