Question
Vista Publications sold a Notebook for Rs. 150 and made
a profit of 20% on its Cost Price (CP) and sold a Diary for Rs. 330 and made a profit of 10% on its CP. If the publication sold the Notebook for Rs. 180, then find at what price should the Diary be sold to make a profit of 18% on both the books?Solution
CP of Notebook = 150/120 × 100 = Rs. 125 CP of Diary = 330/110 × 100 = Rs. 300 For 18% profit on both, = (125 + 300) × 118/100 = 501 Diary should be sold, = 501 – 180 = Rs. 321
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