Question

    7(1/2) – 3(5/6) = ? −

    2(7/12) What will come in the place of (?) mark in following questions?
    A 31/4 Correct Answer Incorrect Answer
    B 27/4 Correct Answer Incorrect Answer
    C 21/4 Correct Answer Incorrect Answer
    D 25/4 Correct Answer Incorrect Answer
    E 35/4 Correct Answer Incorrect Answer

    Solution

    7(1/2) – 3(5/6) = ? − 2(7/12) => 15/2 – 23/6 = ? − 31/12 => (45 – 23)/6 = ? – 31/12 => ? = 22/6 + 31/12 => ? = (44 + 31)/12 => ? = 75/12 = 25/4

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