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Surface Areas and Volumes
CBSE 2026 Board Exam Set 2 (Code 30/1/2)
CBSE_BOARD_PYQ_2026_30_1_2
Grade 10

Question:

[Section D]

A tent is in shape of cylinder surmounted by conical top. Cylinder height $2.1$ m, diameter $4$ m, slant height $2.8$ m. Find area of canvas and cost at ₹$500$/m$^2$.

OR

Solid toy: hemisphere surmounted by cone height $2$ cm, diameter $4$ cm. Find volume.

Step-by-Step Solution

Key Concept: Surface area / Volume formulas.
[Main Question Solution]

Area $= 44$ m$^2$, Cost $= ₹22,000$. [5.0 Marks]


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[OR Choice Question Solution]

Volume $= 25.12$ cm$^3$. [5.0 Marks]

Correct Answer: Main: Area = 44 m^2, Cost = ₹22,000 | OR: Volume = 25.12 cm^3
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