other govt exam AIIMS CRE LDC/UDC/Steno/DEO/JAA/SAA Test Series 2025 Quantitative Aptitude Elementary Statistics
The mean of 20 observations of marks is found to be 40. Later on, it was discovered that one of the marks, ‘53’ was misread as ‘83’. Find the correct average of the marks.
1
40.8
2
33.8
3
38.5
4
35.8