1) David obtained 76, 65, 82, 67 and 85 marks (out of 100) in English, Mathematics, Physics, Chemistry and Biology. What are his average marks ? A) 65 B) 69 C) 72 D) 76 E) None of these Answer: Option EExplanation:Average= $\frac{76+65+82+67+85}{5}=\frac{375}{5}=75$