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A shower produces 10 cm of rain. What quantity of waterfalls on four hectares of land?

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500 m 3

750 m 3

1000 m 3

4000 m 3

answer is D.

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Detailed Solution

It is given that a shower produces 10 cm of rain.
Therefore, the volume of a shower's waterfalls in area A is

A × h,

where h is the ground's depth.
The depth of the ground is,

10 cm = 10100 m

Area = 4 hectares = 4 × 10000 m 2

Therefore, the volume of water can be calculated as,

V = 4 × 10000 × 10100 m 3 = 4000 m 3

Therefore, the amount of water that falls on two hectares of land is

4000 m 3 .

Hence, option (4) is correct.

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