Mensuration Practice Test 7

Question : 35 of 40

Marks: +1, -0

Two centimeters of rain has fallen on s square kilometer of a land. Assuming that 50% of the raindrops could have been collected and contained in a pool having a 100 m × 10 m base, by what level would the water level in the pool have increased?

1 km
10 m
10 cm
1 m

Validate

Solution:

Area of the land = 1,000

km^2

= 10,00,000
Rain fallen on the ground
=

2/{100}

× 1000000 = 20000
50% raindrops collect in pool = 10,000

m^

3
Volume of pool = l × b × h

{10000}/{10×100}

= h
h = 10 m.

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