Loading...
Loading...
The average height of 10 students in a class was calculated as 150 cm. On verification it was found that one reading was wrongly recorded as 130 cm instead of 140 cm. Find the correct mean height.
Correct Answer: (d)
Official keyThis question appeared in the TNPSC Prelims 2019 examination (GS). It is Question 157 out of 200 questions in this paper.
This question was part of the TNPSC Prelims 2019 (GS). The TNPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all TNPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.