Subject
MBA Exam
Topic
Evening MBA-DU(22th Batch)
If x books cost Tk. 5 each and y books cost Tk. 8 each, then the average cost, in taka per book is equal to
If x books cost Tk. 5 each and y books cost Tk. 8 each, then the average cost, in taka per book is equal to
ক)
(5x+8y)/(x+y)খ)
(5x+8y)/xyগ)
(5x+8y)/13ঘ)
40xy/(x+y)Explanation
average cost = 5x X 8y /x+yRelated questions
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