Multiple Choice Questions on At an examination in which maximum marks are 500 K got 10 less than L L got 25 more than M and M got........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

At an examination in which maximum marks are 500 K got 10 less than L L got 25 more than M and M got...........

Quantitative Aptitude ( CCS) Percentage
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    At an examination in which maximum marks are 500. K got 10% less than L, L got 25% more than M and M got 20% less than N. If K got 360 marks what percentage of marks was obtained by N ?

    50

    Incorrect Answer

    60

    Incorrect Answer

    70

    Incorrect Answer

    80

    Correct Answer
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    Explanation:

    Let marks obtained by N = x

    M's marks = 0.80x

    L's marks = 1.25 (0.80x)

    K's marks = (0.90) (1.25) (0.80x) = 0.9x

    But 0.9x = 360 ⇒ x = 400

    Percentage of Marks obtained by N

    = 400 x 100/500 = 80%

    Hence, option 4 is the correct answer.

    By: Amit Kumar
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