On selling 17 balls at Tk. 720, there is a loss equal to the cost price of 5 balls. The cost price of a ball is ----

On selling 17 balls at Tk. 720, there is a loss equal to the cost price of 5 balls. The cost price of a ball is ---- Correct Answer Tk. 60

C.P of balls - S.P of 17 balls = C.P of 5 balls C.P of 17 balls - C.P of 5 balls = S.P of 17 balls C.P of 12 balls = 720 C.P of 1 ball = 720/12 = 60
Bissoy MCQ

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