search
Q: The average marks obtained in a test of 18 boys in a class is 16, while the average of the total 30 students in the class is 18.1. What is the average of marks obtained by the girls?
  • A. 21.25
  • B. 20.5
  • C. 20.75
  • D. 21
Correct Answer: Option A -
answer image

Explanations:

explanation image