A cistern is constructed to hold $200$ litres, and the case of the cistern is a square metre. What is the depth of the cistern? A cubic metre is $1000$ litres.

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Solution

Volume of the cistern
$= \frac{200}{1000} c u . m = \frac{1}{5} c u . m$
Depth of the cistern
$= \frac{V o l . o f t h e c i s t e r n}{B a s e a r e a o f t h e c i s t e r n}$
$= \frac{\frac{1}{5}}{1} = \frac{1}{5} m$
$= \frac{1}{5} \times 100 c m = 20 c m$

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A cistern is constructed to hold 200 litres, and the case of the cistern is a square metre. What is the depth of the cistern? A cubic metre is 1000 litres.

Volume of the cistern=2001000cu.m=15cu.mDepth of the cistern=Vol.ofthecisternBaseareaofthecistern=151=15m=15×100cm=20cm

A cistern is constructed to hold $200$ litres, and the case of the cistern is a square metre. What is the depth of the cistern? A cubic metre is $1000$ litres.

Volume of the cistern
$= \frac{200}{1000} c u . m = \frac{1}{5} c u . m$
Depth of the cistern
$= \frac{V o l . o f t h e c i s t e r n}{B a s e a r e a o f t h e c i s t e r n}$
$= \frac{\frac{1}{5}}{1} = \frac{1}{5} m$
$= \frac{1}{5} \times 100 c m = 20 c m$