The average weight of 42 students is 45 kg. It was found later that the figure of 42 kg was misread as 24 kg in one of the readings. What is the correct average?
1
49 kg
2
51 kg
3
50.5 kg
4
58.4 kg
5
None of these
The average weight of 42 students is 45 kg. It was found later that the figure of 42 kg was misread as 24 kg in one of the readings. What is the correct average?