The marks obtained by Sara in the first three Unit Tests in Maths are 85, 89 and 98.Find Sara’s average marks in Maths Unit Tests.
90.6%
80.6%
70.6%
60.6%
Explanation:
Sara’s average marks in Maths Unit Tests are = $\dfrac{85 + 89 + 98}{3}$
= $\dfrac{272}{3}$
= 90.6
Thus, Sara’s average marks in Maths Unit Tests = 90.6 %.