Question

    How can we determine the value of x, given that (x+8)

    workers, working 9 hours a day, can finish 60% of a task in 12 days, and (x+2) workers, working 3 hours a day, can complete the remaining work in 32 days?
    A 12 Correct Answer Incorrect Answer
    B 16 Correct Answer Incorrect Answer
    C 19 Correct Answer Incorrect Answer
    D 22 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, {(x + 8) × 9 × 12}/0.60 = {(x + 2) × 3 × 32}/0.40 Or, 3x + 24 = 4x + 8 Or, x = 16

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