Practice Questions CBSE - Maths Class 10 (2023 Boards)

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Question 15 - Practice Questions CBSE - Maths Class 10 (2023 Boards) - Solutions of Sample Papers for Class 10 Boards

Last updated at April 16, 2024 by

Shown below is a solid made by joining a right circular cylinder and a hemisphere of equal radius (r cm). The total surface area of the solid is equal to the surface area of a sphere with twice the radius of this solid.

Which of the following gives the height of the cylinder in the above solid?

(A) 6r cm 

(B) 6.5r cm 

(C) 7r cm 

(D) 7.5r cm

 

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Shown below is a solid made by joining a right circular cylinder and a hemisphere of equal radius (r cm). The total surface area of the solid is equal to the surface area of a sphere with twice the radius of this solid. Which of the following gives the height of the cylinder in the above solid? (A) 6r cm (B) 6.5r cm (C) 7r cm (D) 7.5r cm

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo