New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    If the price of a product is decreased by 50%, then

    increased by 50% and then again increased by 50%, what is the net increase percentage in the price?
    A 13.5% Correct Answer Incorrect Answer
    B 11.5% Correct Answer Incorrect Answer
    C 12.5% Correct Answer Incorrect Answer
    D 9.5% Correct Answer Incorrect Answer

    Solution

    Let   Initial Price= P   Decrease by 50% New Price = P/2 Increase by 50% New Price = P/2 + P/4 = 3P/4   Increase again by 50%. New Price = 3P/4 + 3P/8 = 9P/8 Net Increase: Net Increase = (9P/8-P)/P ×100% = 1/8× 100% = 12.5%

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