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. 8 of Exercise 21.1

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What will happen to the volume of a cuboid if its :

(i) Length is doubled, height is same and breadth is halved?

(ii) Length is doubled, height is doubled and breadth is same?

(i) Let ,

Length of cuboid = l

Breadth = b

Height = h

Volume of cuboid = lbh



Length become = 2l

Height = h

Breadth =

Volume of cuboid =



Length become = 2l

Breadth = b

Height = 2h

Volume of cuboid =

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