A reservoir
Geometry
Level
2
A reservoir is in the form of a cuboid. Its length is 20 m . If 18 kilolitre of water is removed from the reservoir, the water level goes down by 15 cm . Find the width of the reservoir (in meters).
{1 kilolitre = 1 cu.m}
The answer is 6.
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1 solution
L=20m,
H=0.15m, B=?. Since, {1 kilolitre = 1 cu.m}, Therefore, V=18cu.m But, V=L B H Therefore, 18=20 0.15 x x=3 (on solving)