Question

    The average number of sweets distributed in a class of

    25 students is 6. If ‘x’ number of students newly joined the class and the average becomes 5, and then find the newly joined students in the class? 
    A 18 yrs Correct Answer Incorrect Answer
    B 11 yrs Correct Answer Incorrect Answer
    C 14 yrs Correct Answer Incorrect Answer
    D 5 yrs Correct Answer Incorrect Answer
    E 18 yrs Correct Answer Incorrect Answer

    Solution

    Let newly joined students be x, According to the question, 25 x 6 = (25 + x) x 5 150 = 125 + 5x 25 = 5x x = 5 The newly joined students in the class = 14 

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