the rain water from a flat roof of dimensions 5m and 7m drains into a tank of dimensions 42cm,20cm and 50 cm. what depth of rainfall will fill thre tank?
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length of floor = 700cm
breadth of floor =500cm
let x rainfall is required.
42 × 50 × 20 cubic metres =700 × 500 × x square cm
x =42000 / 350000 metres
=0. 12m = 12 cm
breadth of floor =500cm
let x rainfall is required.
42 × 50 × 20 cubic metres =700 × 500 × x square cm
x =42000 / 350000 metres
=0. 12m = 12 cm
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0
Answer:
The depth of the rainfall required to fill the tank is 0.12 cm
Step-by-step explanation:
The dimensions of the roof = 5m x 7m
The dimensions of the tank = 42cm x 20cm x 50cm
Let the depth of the rainfall be 'x' cm
then,
The capacity of the tank = The volume of the rain
=> 42 * 20 * 50 = 500 * 700 * x
=> x = 0.12
Therefore, the depth of the rainfall required to fill the tank is 0.12 cm
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