Multiple Choice Questions on An inspector rejects 0 004 of the candles as defective How many will he examine to reject 30 nb........... for CDS Exam Preparation

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Multiple Choice Questions

An inspector rejects 0 004 of the candles as defective How many will he examine to reject 30 nb...........

Quantitative Aptitude (CDS) Percentage
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    An inspector rejects, 0.004% of the candles as defective. How many will he examine to reject 30?

     

    570000
     

    Incorrect Answer

    705000
     

    Incorrect Answer

    750000
     

    Correct Answer

    507000

    Incorrect Answer
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    Explanation:

    Let the number of candles to be examined be x.
    Then, 0.004% of x = 30
    (4/100) × (1/1000)x = 30
    x = [30×(100) × (1000)]/4 = 3000000/4
    x = 750000

    By: bhavesh kumar singh
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