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There are 21 rows of seats in an amphitheatre. Each row has 4 seats more than the row in front. The last row has 100 seats. How many seats are there altogether in the amphitheatre ?
Correct Answer: (a)
Official keyThis question appeared in the CGPSC Prelims 2011 examination (GS). It is Question 137 out of 150 questions in this paper.
This question was part of the CGPSC Prelims 2011 (GS). The CGPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all CGPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.