1.

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

Answer»

Rs 60



(CP of 17 balls ) - (SP of 17 balls) 
= CPof 5 balls 
∴ Cp of 12 balls = SP of 17 balls = 720
∴ CP of 1 BALL = Rs (720/12) = Rs 60



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