Question: dacid obtained 72 , 45 , 72 , 77 and 75 marks ( out of 100 ) in english , mathematics , physics , chemistry and biology . what are his average marks ?
A) 67
B) 68
C) 87
D) 26
E) 75
Correct answer: B
Grade: 6 | Topic: Statistics and Probability | Difficulty: Easy | Standard: 6.SP.B.5