Question

    Employee P manufactures 24 bottles an hour, and Employee Q

    manufactures 16 bottles per hour. If 20% of the bottles are damaged, how much time is required to produce 320 good bottles?
    A 10 hrs Correct Answer Incorrect Answer
    B 12 hrs Correct Answer Incorrect Answer
    C 24 hrs Correct Answer Incorrect Answer
    D 20 hrs Correct Answer Incorrect Answer

    Solution

    ATQ,

    (To make 320 good bottles, they need to make:

    320 ÷ 0.8 = 400 bottles in total

    Time taken to make 400 bottles = 400 ÷ (24 + 16) = 400 ÷ 40 = 10 hours

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