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SSC SSC CHSL TIER-I Solved Paper Held on 08.01.2017

  • question_answer
    Point Q (b, -1) is the mid-point of segment EF. Co-ordinates of point E are (-4, a) and point F are (2, 0). What is the value of a and b?

    A) \[a=2;b=1\]

    B) \[a=2;b=-1\]

    C) \[a=-4;b=-8\]

    D) \[a=4;b=8\]    

    Correct Answer: B

    Solution :

      and \[\frac{a+0}{2}=-1\]\[\Rightarrow a=-2\]


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