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A student was asked to find the arithmetic mean of the following 12 numbers : 3, 11, 7, 9, 15, 13, 8, 19, 17, 21, 14 and x He found the arithmetic mean to be 12. The value of x is
Correct Answer: (b)
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This question appeared in the APSC Prelims 2023 examination (GS-II). It is Question 77 out of 178 questions in this paper.
This question was part of the APSC Prelims 2023 (GS-II). The APSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all APSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.