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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

$8 m$

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Solution

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Correct option is A)

We know that volume of cuboid $= l e n g t h \times b r e a d t h \times h e i g h t$
So, $h e i g h t = V o l u m e / l b$

$h = V / l b$
$h = 42 / (6 \times 3.5)$
$h = 2 m$

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