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    Question

    The average monthly contribution of 25 members in a

    project is Rs. 8,400. Following a fee increase, the new monthly average contribution per member is Rs. (8400 + X). If the overall contribution from all members after the increase is Rs. 2,25,000, find the value of (2X + 40% of X).
    A 2025 Correct Answer Incorrect Answer
    B 1440 Correct Answer Incorrect Answer
    C 1200 Correct Answer Incorrect Answer
    D 1065 Correct Answer Incorrect Answer
    E none of these Correct Answer Incorrect Answer

    Solution

    ATQ, Initial total contribution of 25 members = 25 X 8400 = 2,10,000 New total contribution of all 25 members = Rs. 2,25,000 Total increase in contribution = 225000 - 210000 = Rs. 15,000 So, X = (15000/25) = 600 So, 2X + 40% of X = 2 X 600 + 0.40 X 600 = 1200 + 240 = 1440

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