In an exam, X scored 30 percent, Y scored 50 percent and Z 40 percent. The maximum score awarded in the exam is 800. Find the average mark scored by all the three candidates?  Options:  A) 270  B) 280  C) 290  D) 300  E) 320
Average mark scored by all the three boys   = [30/100 (800) + 50/100 (800) + 40/100 (800)] / 3   = 320   Answer: 320
<result>E</result>
In an exam, X scored 30 percent, Y scored 50 percent and Z 40 percent. The maximum score awarded in the exam is 800. Find the average mark scored by all the three candidates?