A cuboidal water tank is $ 6 \mathrm{~m} $ long, $ 5 \mathrm{~m} $ wide and $ 4.5 \mathrm{~m} $ deep. How many litres of water can it hold? $ \left(1 \mathrm{~m}^{3}=1000 t\right) $.
Given:
A cuboidal water tank is $6\ m$ long, $5\ m$ wide and $4.5\ m$ deep.
To do:
We have to find the number of litres of water it can hold.
Solution:
Length of the water tank $(l) = 6\ m$
Breadth of the tank $(b) = 5\ m$
Depth of the tank $(h) = 4.5\ m$
Therefore,
The volume of water in the tank $= lbh$
$= 6 \times 5 \times 4.5$
$= 135\ m^3$
$= 135 \times 1000$ litres ($1\ m^3 = 1000\ l$)
$= 135000$ litres
The tank can hold 135000 litres of water.
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