SSC GD 2023 PYQ — Question 52

SSC GD Constable (English) - 31 Jan 2023 - Shift 2 • Quantitative Aptitude • Q52

A hemispherical bowl is made of thick steel, whose thickness is 0.50 cm. If the outer diameter of the bowl is 43 cm, then the volume of the bowl is:

Show answer & explanation

Correct answer: A

Explanation

The correct answer is Option 1 i.e.19404 cm3

Formula used:

Volume of hemisphere = 2/3πr3

Calculations:

Outer radius = Outer diameter/2 = 43/2 = 21.5 cm

Inner radius = 21.5 - 0.5 = 21 cm

Using the above formula;

⇒ 2/3 × 22/7 × 213

⇒ 19404 cm3