Jameel brought a scooter for a certain sum of money. He spent 10% of the cost on repairs and sold the scooter for a profit of Rs. 1100. How much did he spend on repairs if he made a profit of 20%?
Correct answer: C. Rs. 500
- A. Rs. 400
- B. Rs. 440
- C. Rs. 500
- D. Rs. 550
Explanation
Let the purchase cost be C. Including repairs, the total cost is C + 10% of C = 1.10C, and a 20% profit on this total gives 0.20 x 1.10C = Rs. 1100, so C = Rs. 5000 and repairs = 10% x Rs. 5000 = Rs. 500. The likely mistake is choosing Rs. 550 by adding 10% to the Rs. 1100 profit instead of finding 10% of the purchase cost.
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About Profit and Loss
Profit and loss compare the cost price and selling price of an item, using profit or loss percentages based on the cost price unless stated otherwise. Questions include marked price, discount, successive discounts, commission, and finding an unknown price, with care needed to distinguish discount from loss.
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