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    3. Quantitative Aptitude
    4. Algebra
    5. Calculate the difference between (7.225) 2 - (2.275) 2     

    Question

    Calculate the difference between (7.225) 2 -

    (2.275) 2     
    A 47.025 Correct Answer Incorrect Answer
    B 43.050 Correct Answer Incorrect Answer
    C 37.450 Correct Answer Incorrect Answer
    D 50.070 Correct Answer Incorrect Answer

    Solution

    We know that; (a2 - b2) = (a + b) X (a - b) So, (7.225 + 2.275) X (7.225 - 2.275) = (9.5) X 4.95 = 47.025

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