Multiple Choice Questions on Aashu sold a book at 5 loss and a Pencil at 15 profit In the whole business he earned Rs 7 If he had........... for SSC CGL Exam Preparation

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Multiple Choice Questions

Aashu sold a book at 5 loss and a Pencil at 15 profit In the whole business he earned Rs 7 If he had...........

Quantitative Aptitude (CGL) Number System
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    Aashu sold a book at 5% loss and a Pencil at 15% profit. In the whole business he earned Rs.7. If he had sold a book at 5% profit and a pencil at 10% profit then he has earned Rs.6 more. What is the cost price of a book and a pencil?

    200

    Incorrect Answer

    150

    Incorrect Answer

    100

    Correct Answer

    50

    Incorrect Answer
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    Explanation:

    C.P. of book= x, C.P. of pencil= y
    y×15% - x×5% = 7 ......(1)
    y×10% + x×5% = 6+7 ......(2)
    (1) + (2)
    y×25% = 20 Rs.
    y = 80 Rs.
    Putting y=80 in equ. (1)
    80×15% - x×5% = 7
    x = 100 Rs.

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