Correct Answer: Option D
(C.P. of 17 balls) - (S.P. of 17 balls) = (C.P. of 5 balls)
=> C.P. of 12 balls = S.P. of 17 balls = Tk.720.
=> C.P. of 1 ball = Tk. (720/12) = Tk. 60.
Download our app for free and access thousands of MCQ questions with detailed solutions