The average marks of 45 students was found to be 66. If the marks of two students were incorrectly entered as 28 and 64 instead of 82 and 46 respectively, then what is the correct average?
45 छात्रों के औसत अंक 66 पाए गए | यदि दो छात्रों के अंक 82 और 46 के बजाय भूलवश क्रमशः 28 और 64 लिखे गए थे, तो सही औसत क्या होगा ?

Options

A. 67.2
B. 66.6
C. 66.4
D. 66.8

Answer

D