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A boy cut a sector containing an angle of 140° from a circle of radius 15 cm and he folded the sector into a cone. What is the curved surface area of the cone (π=22/7).
Correct Answer: (c)
Official keyThis question appeared in the TNPSC Prelims 2017 examination (GS). It is Question 66 out of 200 questions in this paper.
This question was part of the TNPSC Prelims 2017 (GS). The TNPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all TNPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.