(A) 64.5%
(B) 68.5%
(C) 72.5%
(D) 76.5%
The answer is: (C) 72.5%
Solution
By using formula for calculating weighted average, we have
In a module, quiz contributes 10%, assignment 30% and final exam 60% towards the final result. A student obtained 80% marks in quiz, 65% in assignment and 75% in the final exam. What are average marks?