A shopkeeper sells a transistor at 15% above its cost price. If he had bought it at 5% more than what he paid for it and sold it for Rs. 6 more, he would have gained 10%. Find the cost price of the transistor. MCQ with Answer and Explanation
A shopkeeper sells a transistor at 15% above its cost price. If he had bought it at 5% more than what he paid for it and sold it for Rs. 6 more, he would have gained 10%. Find the cost price of the transistor.
A. Rs. 1200
B. Rs. 1000
C. Rs. 800
D. Rs. 600
Answer: Option A
Solution (By JKSSB Mock Tests)
Let initial Cost Price = 100x. Initial Selling Price = 115x. New Cost Price = 105x. New Selling Price = 105x * 1.10 = 115.5x. Difference in Selling Price = 115.5x - 115x = 0.5x. 0.5x = 6. x = 12. Cost Price = 100 * 12 = 1200.
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