The height of a cylinder whose radius is 7 cm and the total surface area is 968 cm² is:
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Correct answer: (A) 15 cm
Explanation
TSA = 2πr(r + h) = 2 × 22/7 × 7 × (7 + h) = 44(7 + h) = 968, so 7 + h = 22 and h = 15 cm.
From BPSC TRE 3.0 (2024) Computer Science Class 11-12 — Previous Year Paper
This is question 36 of BPSC TRE 3.0 (2024) Computer Science Class 11-12 — Previous Year Paper. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.
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