Multiple Choice Questions on Virus doubles every 3 mins It is 39 K 39 in 1 hour when was it K 4 ........ for Logical Reasoning ( All Exams ) Preparation

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Multiple Choice Questions

Virus doubles every 3 mins It is 39 K 39 in 1 hour when was it K 4 ........

Logical Reasoning(Master ) Arithmetical Reasoning
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    Virus doubles every 3 mins. It is 'K' in 1 hour, when was it K/4 ?

    29 min

    Incorrect Answer

    25 min

    Incorrect Answer

    54 min

    Correct Answer

    57 min

    Incorrect Answer

    68 min

    Incorrect Answer
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    Explanation:

    If virus is K in 1hr i.e 60 min
    then in 57 min it was K/2 as it doubles every 3 minutes
    => In 54 min it was K/4.
    At 54 minutes it was K/4.

    By: Amit Kumar
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