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

    Question

    The average number of sweets distributed in a class of

    90 students is 6. If lsquo;xrsquo; number of students newly joined the class and the average becomes 5, and then find the newly joined students in the class?
    A 16 Correct Answer Incorrect Answer
    B 11 Correct Answer Incorrect Answer
    C 14 Correct Answer Incorrect Answer
    D 15 Correct Answer Incorrect Answer
    E 18 Correct Answer Incorrect Answer

    Solution

    Let newly joined students be x, According to the question, 90 x 6 = (90 + x) x 5 540 = 450 + 5x 90 = 5x x = 18 The newly joined students in the class = 18

    Practice Next

    Relevant for Exams: