Dacid obtained 86, 89, 82, 87 and 81 marks (out of 100) in English, Mathematics, Physics, Chemistry and Biology. What are his average marks? Answers:  A) 79  B) 99  C) 88  D) 85  E) 75
Average = (86+89+82+87+81)/5   = 425/5= 
<gadget id="calculator">425/5</gadget>
<output>85</output>
85.   Answer:85
<result>D</result>
Dacid obtained 86, 89, 82, 87 and 81 marks (out of 100) in English, Mathematics, Physics, Chemistry and Biology. What are his average marks?