A dealer marks his goods 25 percent above the cost price and then allows a 10 percent discount on it. What is the cost price of an article on which the gain is Rs 50?
ARs 350
BRs 380
CRs 400 ✓ Correct
DRs 425
Correct answer: (C) Rs 400
Explanation
The cost price is Rs 400.
Marked price = 1.25 x CP.
Selling price = 0.9 x 1.25 x CP = 1.125 x CP.
Gain = 1.125 CP - CP = 0.125 CP = 50.
CP = 50 / 0.125 = Rs 400.
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