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Question
Find the volume in cubic decimetre of the cube whose side is 1.5 m.
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Solution
Side of the cube = 1 . 5 m
\[ = 1 . 5 \times 10 dm ( \because 1 m = 10 dm)\]
\[ = 15 dm\]
\[ \therefore \text { Volume of the cube = (side ) }^3 = (15 )^3 = 3375 {dm}^3 \]
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