Question

    In July, Fire-Boltt manufactured 150 defective smart

    watches. The ratio between defective smart watches by Fire-Boltt and Noise in July is 3:4. Find the non- defective smart watches manufactured by Noise in July. Read the following table carefully and answer the given questions. The given table below shows the number of smart watch manufactured by three companies (Noise, Fire-Boltt, Fitbit) in four different months. Some data in the table is missing.
    A 514 Correct Answer Incorrect Answer
    B 211 Correct Answer Incorrect Answer
    C 340 Correct Answer Incorrect Answer
    D 498 Correct Answer Incorrect Answer
    E 220 Correct Answer Incorrect Answer

    Solution

    Number of defective smart watches manufactured by Noise = 150 × (4/3) = 200 Total number smart watch manufactured by Noise in July = 2400 – [(45% of 2400) + 900) = 420 Number of non-defective smart watches manufactured by Noise in July = 420 – 200 = 220

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