Multiple Choice Questions on A man wears socks of two colours black and brown He has altogether 20 black socks and 20 brown socks........... for IBPS RRB - Office Assistant/ Clerical Exam Preparation

Arithmetical Reasoning

Logical Reasoning(RRB CL) IBPS RRB - Office Assistant/ Clerical Exam

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Study Notes

    A man wears socks of two colours ? black and brown. He has altogether 20 black socks and 20 brown socks in a drawer. Supposing he has to take out the socks in the dark, how many must he take out to be sure that he has a matching pair?

    1

    Incorrect Answer

    3

    Correct Answer

    20

    Incorrect Answer

    39

    Incorrect Answer

    42

    Incorrect Answer
    Explanation:

    Since there are socks of only two colours,
    so two out of any three socks must always be of the same colour.
    Hence, option 2 is the correct answer.


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