find the number of cubes or edge length 8 cm that can be obtained by m – InterviewSolution

1.	find the number of cubes or edge length 8 cm that can be obtained by melting an iron cube of edge length 40 cm
Answer» Volume of a cube of EDGE a=a3So, the volume of the original cube of edge 14cm=143=2744cm3Volume of the SMALLER cube of edge 2cm=23=8cm3As the cube of edge 14cm is melted and smaller CUBES of edge 2cm are FORMED from it.Volume of cube of edge 14cm= Number of cubes formed × Volume of cube of edge 2cm2744cm3= Number of cubes ×8cm3Hence, number of cubes OBTAINED =343

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