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An arc of length 121 cm makes an angle 77° at the centre of a circle. The radius of the circle is
This question appeared in the WBPSC Prelims 2019 examination (GS). It is Question 126 out of 196 questions in this paper.
This question was part of the WBPSC Prelims 2019 (GS). The WBPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all WBPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.