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. 15 of Exercise 21.2

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A beam 5 m long and 40 cm wide contains 0.6 cubic metre of wood. How thick is the beam?


Length of beam = 5 m

Width of beam = 40 cm = 0.4 m

Volume of wood in beam = 0.6 m3

Let thickness of beam = h m




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