David scores an average of 65 marks in 3 tests. How many marks must – McqOptions

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1.	David scores an average of 65 marks in 3 tests. How many marks must he score in the 4th test if he wants his average mark to be 5 more than his previous average mark?
A.	84
B.	85
C.	86
D.	87
Answer» C. 86

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