, A metal cube is melted to form three smaller cubes of edges 3 cm, 4 – InterviewSolution

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1.	, A metal cube is melted to form three smaller cubes of edges 3 cm, 4 cm and 5,cm. Find the edgeof the original metal cube.
Answer» Vol. of larger metal cube = vol. of three smaller cubes=(3)³ + 4³ + 5³= 27 + 64 + 125= 216 cm³vol.of larger metal cube = 216 cm³(a)³ = 216 cm³a³ = 6³a = 6 cmtherefore edge of larger metal cube is 6 cm

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