In an exam, Libi scored 78 percent, Nibi scored 75 percent and Catherine 85 percent. The maximum score awarded in the exam is 1100. Find the average mark scored by all the three boys?  Choices:
A) 874.65  B) 873.66  C) 871.22  D) 872.67  E) 870.2
Average mark scored by all the three boys =   [78/100 (1100) + 75/100 (1100) + 85/100 (1100)] / 3   (858+825+935)/3= 872.67   Answer: 872.67
<result>D</result>
In an exam, Libi scored 78 percent, Nibi scored 75 percent and Catherine 85 percent. The maximum score awarded in the exam is 1100. Find the average mark scored by all the three boys?