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    Question

    A student gets an aggregate of 60% marks in five

    subjects in the ratio 10 : 9 : 8 : 7 : 6. If the passing marks are 45% of the maximum marks and each subject has the same maximum marks, in how many subjects did he pass the examination?
    A 1 Correct Answer Incorrect Answer
    B 2 Correct Answer Incorrect Answer
    C 3 Correct Answer Incorrect Answer
    D 4 Correct Answer Incorrect Answer
    E 5 Correct Answer Incorrect Answer

    Solution

    Let 60% marks = 40x So, 100% = (40x/60) ├Ч 100 = 200x/3 Maximum marks for each subject = 200x/(3 ├Ч 5) = 40x/3 Pass marks for each subject = (45/100) ├Ч (40x/3) = 6x So, he passed in all the 5 subjects.

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