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Surface Areas and Volumes — GSEB Std 10 (SSC)

Master Surface Areas and Volumes for GSEB Std 10 (SSC). Free verified step-by-step solutions, 2 past exam problems, formulas, and markschemes.

Exam Questions & Step-by-Step Markschemes (2 Problems)

Question 1 • 2022 3 Marks
Metallic spheres of radii 6\text{ cm}, 8\text{ cm} and 10\text{ cm} respectively are melted to form a single solid sphere. Find the radius of the resulting sphere.
Answer: R = 12\text{ cm}
Question 2 • 2023 3 Marks
A solid toy is in the form of a hemisphere surmounted by a right circular cone. The height of the cone is 2\text{ cm} and the diameter of the base is 4\text{ cm} . Determine the volume of the toy. (Take \pi = 3.14 )
Answer: V = 25.12 \text{ cm}^3

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