Railways R.R.C. (Gorakhpur) Solved Paper Held on 2nd Shift 30-11-2014

  • question_answer
    A bacterium multiplies by division every 15 minutes after entering into human body. The bacteria count in a human body was found 64000 after 1 hour of infection. What was the number of bacteria which entered the body at the time of infection?

    A) 16000              

    B) 8000

    C) 4000                            

    D) 2000

    Correct Answer: C

    Solution :

    The number of bacteria which entered the body at the time of infection. \[=\frac{64000\times 15}{2\times 60\times 2}\] \[=4000\]


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