Q113, RTET Feb 2011

0. Ram wants to build up a solid cube of side 15 cm. How many cubical blocks of side 5 cm will be required for it?

Answer
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Option : C
Explanation : Let x cubical blocks be required.
Then, volume of x cubical blocks = Volume of cube of side 15 cm
i.e. x x 5³ = 15³
=> X = (15/5)³ = 27.

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