Question
Ratio of the cost price of article ‘A’ to ‘B’ is
6:7, respectively. Article ‘A’ is marked up by 30% above its cost price and then sold at a discount of 20%. If the profit earned on article ‘A’ is Rs. 600, then find the cost price of article ‘B’.Solution
Let the cost price of article ‘A’ be Rs. 6x Marked price of article ‘A’ = 1.3 × 6x = Rs. 7.8x Selling price of article ‘A’ = 7.8x × 0.8 = Rs. 6.24x Or, 6x + 600 = 6.24x Or, 0.24x = 600 Or, x = 2500 Cost price of article ‘B’ = 7x = 7 × 2500 = Rs. 17500
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