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The average marks of 100 students are given to be 40. It was found later that marks of one student was 53 which was misled as 83. The corrected mean marks are :
Correct Answer: (c)
Official keyThis question appeared in the NPSC Prelims 2021 examination (GS). It is Question 121 out of 200 questions in this paper.
This question was part of the NPSC Prelims 2021 (GS). The NPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all NPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.