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Arithmetic mean of 6 values is 4. If number 5 is found as incorrect value in series and replaced with correct number as 17, then what will be the mean of new data series?
Correct Answer: (b)
Official keyThis question appeared in the GPSC Prelims 2026 examination (GS). It is Question 18 out of 200 questions in this paper.
This question was part of the GPSC Prelims 2026 (GS). The GPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all GPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.