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11th Class Mental Ability Direction Sense Test Question Bank Question - Direction Test

  • question_answer
    In the given figure, B is 300 km eastward of A and C is 400 km North of A. D is exactly in the middle of C and B, The distance between C and D is:

    A) 250km

    B) 300km

    C) \[250\sqrt{2}km\]

    D) 350km

    E) None of these

    Correct Answer: A

    Solution :

    Explanation Option (a) is correct. Clearly, \[BC=\sqrt{A{{B}^{2}}+A{{C}^{2}}}=\sqrt{{{\left( 300 \right)}^{2}}+{{\left( 400 \right)}^{2}}}\] \[BC=\sqrt{90000+160000}=500\text{ }km.\]


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