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The average score of 20 candidates in an exam is 25 marks. It decreases by 2 marks when the score of the topper is excluded. What are the marks obtained by the topper?

Option 1 -

38

Option 2 -

75

Option 3 -

63

Option 4 -

50

0 2 Views | Posted a month ago
Asked by Shiksha User

  • 1 Answer

  • V

    Answered by

    Vishal Baghel | Contributor-Level 10

    a month ago
    Correct Option - 3


    Detailed Solution:

    (c) :As per the problem:

    Average score of 20 candidate = 25 marks

    Total score of 20 candidate = 500 marks

    Let the score of the topper be x. Then,

    ( 5 0 0     −     x ) 1 9     =     2 3

    500 – x = 437

    x = 500 – 437 = 63 marks

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