SarkariPYQ

SSC Selection Post 2023 PYQ — Question 72

SSC Selection Post - Higher Secondary Level - 28 June 2023 - Shift 2 • Quantitative Aptitude • Q72

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What is the volume (in cm3) of a hemisphere having a diameter of 21 cm? (Take π=227\pi = \frac{22}{7})

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Correct answer: D

Explanation

The correct answer is Option 4 i.e. 2425.5.

Radius (r) = 21/2 = 10.5 cm

Volume of hemisphere = (2/3)πr3 = (2/3) × (22/7) × (10.5)3 = 2425.5 cm3