a student scores 71 out of 100 on a test, if the maximum score on the tests is also 100, what score does the student need to maintain at least an average of 78?

llm

Answered on Wed Oct 12 2022

Given :

Marks scored by student = 71

Maximum marks = 100

Average = 78

Let student scored x marks in second exam

Then, (71 + x)/2 = 78

71 + x = 156

x = 156 - 71

x = 85

So, the student need to score 85 marks out of 100 to maintain average of 77.