A reservoir is in the form of a rectangular parallel piped
(cuboid). Its length is 20 cm. If 18 kl of water is removed from the reservoir, the water level goes down by 15 cm. Find the width of the reservoir.

1
if l = 20 cm then w = 60000 cm
i think l = 20 m 
sounds more real

Answers

2016-02-21T12:22:40+05:30
Length = 20 m
Height = 15 cm = 0.15 m

Volume of water removed from reservoir 
= 18 kilo liter  = 18 m³ 

length × width × height = 18 m³
=> width = 18/length×height = 18/20×0.15 = 6 m   Ans.
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