What will be the volume of a cuboid whose $l=5 \mathrm{~m}, b=40 \mathrm{~cm}$ and $h=2$ $\mathrm{dm}$ ?
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What will be the volume of a cuboid whose $l=5 \mathrm{~m}, b=40 \mathrm{~cm}$ and $h=2$ $\mathrm{dm}$ ?

(a) $40 \mathrm{~m}^{3}$

(b) $32 \mathrm{~m}^{3}$

(c) $0.40 \mathrm{~m}^{3}$

(d) $0.32 \mathrm{~cm}^{3}$
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Solution

Volume $=l \times b \times h$

$=5 \mathrm{~m} \times 40 \mathrm{~cm} \times 2 \mathrm{dm}$

$=5 \mathrm{~m} \times 0.4 \mathrm{~m} \times 0.2 \mathrm{~m}$

$=0.40 \mathrm{~m}^{3}$; Ans.

$\therefore$ Correct option is$(c)$

 

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