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 21.1

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A cube A has side thrice as long as that of cube B. What is the ratio of the volume of cube A to that of cube B?


Let side of cube B = X cm

Then, side of cube A = 3X cm




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