Multiple Choice Questions on P Q and R secured 45 50 and 60 marks respectively in Biology M rsquo s marks in Biology is 12 5 more........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

P Q and R secured 45 50 and 60 marks respectively in Biology M rsquo s marks in Biology is 12 5 more...........

Quantitative Aptitude ( CCS) Percentage
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    P, Q and R secured 45%, 50% and 60% marks respectively in Biology. M’s marks in Biology is 12.5 more than P’s marks and 4 less than R’s marks. Find out the individual marks of four students.

    A. For the students, total marks obtained for Biology is 311.5.

    B. Total of M’s and P’s marks in Biology is 147.5.

    C. R has obtained 84 marks.

    Only c

    Incorrect Answer

    Only a & b

    Incorrect Answer

    all are required

    Incorrect Answer

    none of the statements is required

    Correct Answer
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    Explanation:

    From the given data,
    (60 - 45)% = 12.5 + 4
    15% = 16.5
    => 100% = ?
    100% = 16.5 x 100/15 = 110

    P = 45% of 110

    = 45x110/100 = 49.5
    Q = 50% of 110 = 55
    R = 60% of 110

    = 60 x 110/100 = 66
    M = 12.5 + 49.5

    = 62 or 66 - 4 = 62

    No statement is required to answer.

    Hence, option 4 is the correct answer.

    By: Amit Kumar
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