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SSC SSC CHSL TIER-I Solved Paper Held on 10.01.2017

  • question_answer
    Refer the following data table and answer the question.
    Deep sleep 20
    Dreaming 20
    Light sleep 5
    Extremely light sleep 15
    Awake 40
    Between 10 pm to 6am, a fit- ness band records the following data. How long was the user in Deep sleep or in extremely light sleep?

    A)  2.3 hours                     

    B)  2.8 hours

    C)  1.3 hours                     

    D)  3.3 hours

    Correct Answer: B

    Solution :

     Duration of time between 10am and 6pm = 8 hours \[\therefore \]Required answer  \[=(20+15)%\]of 8 hours \[=\frac{8\times 35}{100}=2.8\]hours


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