Multiple Choice Questions on What are the marks obtained by Sreya and Kia assuming Sreya scored less than Kia I The sum of their ........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

What are the marks obtained by Sreya and Kia assuming Sreya scored less than Kia I The sum of their ...........

Quantitative Aptitude ( CCS) Data Sufficiency
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    What are the marks obtained by Sreya and Kia(assuming Sreya scored less than Kia)?

    I. The sum of their marks form 70% of the total score.

    II. Ratio of marks of Sreya and Kia is 29:41

    III. Ratio of the sum of their marks to difference of their marks is 35:6

    IV. The square of six fifth of three fifth of half of Sreya’s mark is 68121

    I & IV

    Incorrect Answer

    I,II & IV

    Incorrect Answer

    I,II & III

    Incorrect Answer

    II or III, I & IV

    Incorrect Answer

    II or III, & IV

    Correct Answer
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    Explanation:

    IV –> Sreya’s mark = sqrt(68121) * 2* 5/3 *5/6 = 725.
    II –> S: K = 29:41
    29 ratio = 725 => 1 ratio = 25
    Therefore , Kia’s mark = 41*25 = 1025.
    III —>( S+K) : (K-S) = 35:6 => S:K = 29:41

    Hence, option 5 is the correct answer.

    By: Amit Kumar
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