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    Question

    If a shopkeeper earns a profit on selling 30 metres of

    fabric equal to the cost price of 6 metres of the fabric, determine the profit percentage.
    A 18% Correct Answer Incorrect Answer
    B 20% Correct Answer Incorrect Answer
    C 25% Correct Answer Incorrect Answer
    D 32% Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let the selling price of 1 metre cloth be Rs. ‘SP’ and the cost price of 1 metre cloth be Rs. ‘CP’.

    ATQ,

    30 × SP – 30 × CP = 6 × CP

    Or, 30 × SP = 36 × CP

    Or, SP/CP = 36/30 = 6/5

    Required profit percentage = {(6 – 5)/5} × 100 = 20%

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