What is the length of a box if volume= $20, 000 m^{3}$ , breadth = $25 m$ and height = $20 m$ ?

30 m

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9 m

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40 m

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8 m

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Solution

The correct option is C
40 m

Volume $V = l e n g t h \times b r e a d t h \times h e i g h t$

$\Rightarrow 20, 000 = l e n g t h \times 25 \times 20$

$\Rightarrow 20, 000 = l e n g t h \times 500$

$\Rightarrow l e n g t h = \frac{20000}{500} = 40 m$

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