David obtained 76, 65, 82, 67 and 85 marks (out of 100) in English, mathematics, physics, chemistry and biology. What are his average marks?	Choose the correct choice from the following options.
A) 65	B) 69	C) 75	D) none of these	E) can not be determined

Rationale: "solution : average = ( 76 + 65 + 82 + 67 + 85 ) / 5 = 375 / 5 = 75 . hence , average = 75 . answer : option c"
Answer: C