David obtained 76, 65, 82, 67 and 85 marks (out of 100) in English, Mathematics, Physics, Chemistry and Biology. What are his average marks?

Answer: 75
Explanation

To calculate David's average marks, we need to add up all his marks and divide by the number of subjects:

English: 76

Mathematics: 65

Physics: 82

Chemistry: 67

Biology: 85

Total marks: 76 + 65 + 82 + 67 + 85 = 375

Number of subjects: 5

Average marks: 375 รท 5 = 75

So, David's average marks are: 75

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