Study MaterialsImportant QuestionsRD Sharma Class 10 Solutions Surface Areas and Volumes Ex 16.2 Q10

RD Sharma Class 10 Solutions Surface Areas and Volumes Ex 16.2 Q10

Q10. A cylindrical hole is drilled in a circular cylinder of height 12cm and base radius 5cm. The height and base radius of the cone are also the same. Find the whole surface and volume of the remaining cylinder?

Solution. Base radius of the cylinder (r) = 5 cm
and height (h) = 12 cm
∴ Volume = πr2h = n (5)2 x 12 cm3 = 300π cm3
∵ The base and height of the cone drilled are the same as those of the cylinder
∴ Volume of cone = (13)πr2h
RD Sharma Class 10 Solutions Chapter 14 Surface Areas and Volumes Ex 14.2 14

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