The average marks obtained by Class A students is 79, while the averag – McqOptions

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1.	The average marks obtained by Class A students is 79, while the average marks obtained by Class B students is 89. If there are 38 students in class A and 42 students in class B, find the average marks of all 80 students.
A.	84.25
B.	84.45
C.	84.15
D.	83.95
Answer» B. 84.45

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