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    Question

    In a group of 50 students, the average monthly tuition

    is Rs. 7,200. Following a fee adjustment, the new average monthly tuition per student is Rs. (7200 + X). If the combined tuition fees for all students after the fee adjustment amount to Rs. 3,85,000, find the value of (X + 30% of X).
    A 100 Correct Answer Incorrect Answer
    B 400 Correct Answer Incorrect Answer
    C 800 Correct Answer Incorrect Answer
    D 650 Correct Answer Incorrect Answer
    E none of these Correct Answer Incorrect Answer

    Solution

    ATQ, Initial total tuition for all 50 students = 50 X 7200 = 3,60,000 New total tuition for all 50 students = Rs. 3,85,000 Increase in tuition = 385000 - 360000 = Rs. 25,000 So, X = (25000/50) = 500 So, X + 30% of X = 500 + 0.30 X 500 = 500 + 150 = 650

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