SSC GD 2019 PYQ — Question 59

SSC GD Constable (English) - 12 Feb 2019 Shift 2 • Quantitative Aptitude • Q59

The volume of a right circular cone is 2464 cm3. If the height of cone is 12 cm, then what will be the radius of its base?

Show answer & explanation

Correct answer: C

Explanation

The correct answer is option 3 i.e. 14 cm.

Understanding/Application

Volume of cone = (πr2h)/3 = 2464 cm3

Height of cone = 12 cm

(πr2h)/3 = 2464

[(22/7) × r2 × 12]/3 = 2464

264r2 = 51744

r2 = 196

r = 14