SSC SSC CHSL TIER-I Solved Paper Held on 11.01.2017

  • question_answer Between 10 pm and 6 am, a fitness band records the following data. Refer the following data table and answer the question.       
    Deep sleep 15
    Dreaming 15
    Light sleep 5
    Extremely light sleep 30
    Awake 35
    How long was the user in Deep Sleep or was Awake?

    A)  3.5 hours

    B)  2.5 hours

    C)  4.5 hours

    D)  4 hours

    Correct Answer: D

    Solution :

     Time from 10 pm to 6 am = 8 hours \[\therefore \]Required time\[(15+35)%\]of 8 hours \[=\left( \frac{8\times 50}{100} \right)\]hours = hours

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