The total sum in marks for 50 students in a class is 2250. Find the average marks in the class.
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → 45
The average is the total shared out equally: if every student had scored the same marks, each would have scored the average. So the average is the sum of the marks divided by the number of students.
Total marks of the class: 2250, shared among 50 students
Average marks \(\displaystyle =\frac{2250}{50}=45\)