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+1 vote
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in Surface Areas And Volumes by (29.9k points)
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A rectangular water reservoir contains 42000 litres of water. If the length of reservoir is 6 m and its breadth is 3.5 m, the depth of the reservoir is 

A. 2 m 

B. 5 m 

C. 6 m 

D. 8m

1 Answer

+1 vote
by (30.3k points)
selected by
 
Best answer

We know that, 

Volume of a cuboid = Length × Breadth × Height 

42000 L = 42 m3 (As 1 m3 = 1000 L) 

Therefore, 

Height (h) = \(\frac{Volume}{Ib}\)

\(\frac{42}{6\times3.5}\)

= 2 m 

Hence, option A is correct

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