Question

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Answer 1

Answer:

60 rupees

Step-by-step explanation:

please see the attachment for step by step explanation.

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Answer 2

QuestioN :

on selling 17 balls at rupees 720 there is a loss equal to the cost price of 5 balls. The cost price of a ball is ?

GiveN :

• 17 balls at rupees 720.
• Loss = The cost price of 5 balls.

To FiNd :

The cost price of a ball is ?

ANswer :

The cost price of a ball is Rs. 60.

SolutioN :

Let the cost price of a ball be Rs. x.

So, the CP of 17 balls is Rs. 17x.

The CP of 5 balls is Rs. 5x.

 

Since Loss = CP - SP

So, 5x = 17x - 720

On solving, we get

12 x = 720

that is, x = 60

∴Hence, the cost price of a ball is Rs. 60.