A student's marks were wrongly entered as 83 instead of Due to this mistake, the average marks of the class got increased by half(5). What is the number of students in the class?

A student's marks were wrongly entered as 83 instead of Due to this mistake, the average marks of the class got increased by half(5). What is the number of students in the class?

A 50

B 20

C 30

D 40

Solution

Correct Answer: Option D