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    Question

    If the percentage of Mathematics students passed in exam

    is increased by 50% and percentage of students passed in accounts is decreased by 40%, then what will be the total number of students passed in Mathematics and Accounts together?
    A 678 Correct Answer Incorrect Answer
    B 658 Correct Answer Incorrect Answer
    C 698 Correct Answer Incorrect Answer
    D 648 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Required Answer = 2400 ×((12×150)/(100 ×100)+ (15 ×60)/(100 ×100)) = 2400 × 0.27 = 648

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