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In an Examination of 4 Subjects, John Gets 100, 60

Question 55

Multiple Choice

In an examination of 4 subjects, John gets 100, 60 and 55 in three subjects. If his average (arithmetic mean) marks for all four subjects is 75, then the marks in the 4th subject must be


A) 82
B) 85
C) 88
D) 91
E) 93

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