Question

Find the ratio between the quantity of water coming out of two pipes with radii 2cm and 4cm in one minute,if the speed of water is 1metre/sec.

Answer 1

The water coming out from a pipe is 4 times compared to the other pipe, if their radius is in the ratio 2 : 1

In this question,
Radii of pipe 1 = 2cm
Radii of pipe 2 = 4cm

Pipe 2 has double the radius of pipe 1

Then the ratio of quantity of water coming out of pipe 1 to pipe 2 is 1 : 4

Answer 2

Answer:

1:4 IS THE RIGHT ANSWER..

Step-by-step explanation:

1m=100cm

Then height of both pipes is 100cm

Volume of 1st pipe=πr²h

22/7×2×2×100=8800/7cm³

Volume of 2nd pipe=πr²h

22/7×4×4×100=13200/7cm³

Ratio between both pipes=(8800/7)/(13200/7)

1/4=1:4

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