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1. An article is sold at a certain price. By selling it at 2/3 of thet price, one loses 10%. The gain percent at original price is---
- A. 35%
- B. 35%
- C. 35%
- D. 35%
Answer: Option A
Explanation:
Hints: Original selling price be x, new S.P = 2/3 of x = 2x/3
Here, Loss = 10%
CP = 100/(100 - loss) × SP
= 100/(100 - 10) × 2x/ 3
= 100/90 × 2x/3
= 20x/27
Gain = x - (20x/27) = 7x/27
Gain % = (7x/27) / (20x/27) × 100% = 35%
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