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    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?
    A Rs. 271 Correct Answer Incorrect Answer
    B Rs. 351 Correct Answer Incorrect Answer
    C Rs. 321 Correct Answer Incorrect Answer
    D Rs. 451 Correct Answer Incorrect Answer
    E Rs. 401 Correct Answer Incorrect Answer

    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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