Dacid obtained 45, 35, 52, 47 and 55 marks (out of 100) in English, Mathematics, Physics, Chemistry and Biology. What are his average marks?
Choose the correct choice from the following.
A) 79
B) 99
C) 47
D) 89
E) 45

Rationale: average = ( 45 + 35 + 52 + 47 + 55 ) / 5 = 234 / 5 = 47 . answer : c
Answer: C