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Question : On selling 15 balls for INR 450, there is a loss equal to the cost price of 5 balls. The cost price of a ball is:

Option 1: INR 23

Option 2: INR 54

Option 3: INR 45

Option 4: INR 32


Team Careers360 11th Jan, 2024
Answer (1)
Team Careers360 18th Jan, 2024

Correct Answer: INR 45


Solution : Selling Price  of 15 balls = 450
Loss =  Cost Price of 15 balls – Selling Price of 15 balls
⇒ Cost Price of 5 balls =  Cost Price of 15 balls – 450
⇒ Cost Price of 10 balls = 450
⇒ Cost Price of 1 ball = $\frac{450}{10}$ = 45
Hence, the correct answer is 45.

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