Question 38 (iii) (A) - CBSE Class 10 Sample Paper for 2025 Boards - Maths Standard - Solutions of Sample Papers for Class 10 Boards

Last updated at Sept. 19, 2024 by Teachoo

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Question 38 (iii) (A) Find the cost of metal sheet used to make the curved cylindrical part of 1 silo at the rate of ₹2000 per 𝑚^2.We need to find Curved Surface Area of cylinder Radius of cylinder = r = 1.5 m Height of cylinder = h = 7 m Curved surface area of cylinder = 2𝜋rh = 2 × 𝟐𝟐/𝟕 × 𝟏.𝟓 × 𝟕 = 2 × 22 × 1.5 = 66〖 𝒎〗^𝟐 Finding Cost Cost of the metal sheet for 1〖 𝑚〗^2 = Rs 2000 Cost of the metal sheet for 66〖 𝑚〗^2 = 2000 × 66 = Rs 1,32,000 Hence, Total cost = Rs 1,32,000

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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, Social Science, Physics, Chemistry, Computer Science at Teachoo.

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