Length, breadth and height of a water tank are 12 m, 15 m, and 18 m respectively. Find the amount of water that the tank can hold.
a)3240m3
b)3040m3
c)3140m3
d)2240m3
e)None of these
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Answer:
3040m3
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Answer:
A tank is in the form of a cuboid with length 12m. If 18 kilolitre of water is removed from it, the water level goes down by 40cm
Let width of the tank be w meters
We know volume of cuboid = length × width × height
Length = 12 m = 1200 cm.
Width = 100 × w = 100w cm.
Height = 40 cm^3
Thus, Volume of the removed water from tank
= 1200 × (100w) × 40 cm^3.
This volume is equal to 18 kiloliters of water
18 kiloliters = 18 × 1000 × 1000 cm^3
Accordingly
1200 × 100w × 40 cm^3 = 18 × 1000 × 1000 cm^3
4800000 w = 18000000
w= 18000000/4800000
w= 180/48
w = 15/4 meters
w = 3.75 meters
The width of the tank is 3.75 meters
Answer the width of the tank is 3.75 meters
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