Kamal obtained 66, 65, 77, 62 and 75 marks(out of 100) in English, Mathematics, Physics, Chemistry and Biology. What are his average marks?
Choices.
A) 65
B) 69
C) 72
D) 75
E) NOne
Sol.   Average   = 66 + 65 + 77 + 62 + 75 / 5)   = (345 / 5)= 
<gadget id="calculator">(345 / 5)</gadget>
<output>69</output>
69.   Answer 69
<result>B</result>
Kamal obtained 66, 65, 77, 62 and 75 marks(out of 100) in English, Mathematics, Physics, Chemistry and Biology. What are his average marks?