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    Question

    Two successive increases of 15% each, is by what

    percentage more than the two successive decreases of 12% each? (Rounded off to 2 decimal places)
    A 70.78% Correct Answer Incorrect Answer
    B 30.56% Correct Answer Incorrect Answer
    C 28.25% Correct Answer Incorrect Answer
    D 22.12% Correct Answer Incorrect Answer

    Solution

    Let initial value = 100 Two 15% increases: 100 ├Ч 1.15 ├Ч 1.15 = 132.25 Two 12% decreases: 100 ├Ч 0.88 ├Ч 0.88 = 77.44 % more = (132.25 тИТ 77.44) ├╖ 77.44 ├Ч 100 = 54.81 ├╖ 77.44 ├Ч 100 тЙИ 70.78%

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