New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    In an examination, the average marks obtained by the

    students is 80. After correcting the quantitative mistakes, the average of 90 students is reduced to 50 from 80 and the overall average of the student is reduced to 62. Then find the total number of students who participated in that examination.
    A 180 Correct Answer Incorrect Answer
    B 170 Correct Answer Incorrect Answer
    C 175 Correct Answer Incorrect Answer
    D 150 Correct Answer Incorrect Answer

    Solution

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