RD Sharma - Mathematics

Book: RD Sharma - Mathematics

Chapter: 21. Mensuration-II (Volumes and Surface Areas of a Cuboid and a Cube)

Subject: Maths - Class 8th

Q. No. 17 of Exercise 21.2

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An 8 m long cuboidal beam of wood when sliced produces four thousand 1 cm cubes and there is no wastage of wood in this process. If one edge of the beam is 0.5 m, find the third edge.


Length of cuboidal beam = 8 m

One edge of beam = 0.5 m

Let third edge of beam = h m

No. of cubes of side 1 cm (.01 m) produced = 4000





Length of third edge = 0.001 m

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