MathematicsA student has obtained in three subjects. If the marks of another subject is added then his average cannot be less than

A student has obtained in three subjects. If the marks of another subject is added then his average cannot be less than


  1. A
  2. B
  3. C
  4. D
     

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    Solution:

    Concept: To solve the mean problem, we know that the mean is the median or typical value  of the dataset and is calculated by dividing the sum of the values ​​in the set by their number. You need to look at the properties.
    Marks obtained from 3 subjects out of 300
    is If the marks of another subject are added
    then
    marks out of 400 [min any]
    [when marks is subject is 0]
    Hence, option 1 is correct.
     
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