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On selling 17 balls at Rs 720, there is a loss equal to the cost price of 5 balls. The cost price of a ball is:
  • a)
    Rs 45
  • b)
    Rs 50
  • c)
    Rs 55
  • d)
    Rs 60
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
On selling 17 balls at Rs 720, there is a loss equal to the cost price...
(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
= Rs 720
⇒ C.P. of 1 ball = Rs (720/12) = Rs 60
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On selling 17 balls at Rs 720, there is a loss equal to the cost price of 5 balls. The cost price of a ball is:a)Rs 45b)Rs 50c)Rs 55d)Rs 60Correct answer is option 'D'. Can you explain this answer?
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