Question
Ratio of the cost price of article ‘A’ to ‘B’ is
5:3, respectively. Article ‘A’ is marked up by 40% above its cost price and then sold at a discount of 20%. If the profit earned on article ‘A’ is Rs. 261, then find the cost price of article ‘B’.Solution
Let the cost price of article ‘A’ be Rs. 5x Marked price of article ‘A’ = 1.40 × 5x = Rs. 7x Selling price of article ‘A’ = 7x × 0.8 = Rs. 5.6x Or, 5x + 261 = 5.6x Or, 0.6x = 261 Or, x = 435 Cost price of article ‘B’ = 3x = 3 × 435 = Rs. 1305
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