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SSC Sample Paper Mock Test-4 SSC CGL Tear-II Paper-1

  • question_answer
    Find the distance between the points (0, 0) and (36, 15). Can you now find the distance between the two towns A and B?

    A)  56                               

    B)  45

    C)  39       

    D)  40

    Correct Answer: C

    Solution :

    Let M (0, 0) and N (36, 15) be the given points. Here, \[{{x}_{1}}=0,\]\[{{y}_{1}}=0\]and \[{{x}_{2}}=36,\]\[{{y}_{2}}=15\] \[\therefore \]\[MN=\sqrt{{{({{x}_{2}}-{{x}_{1}})}^{2}}+{{({{y}_{2}}-{{y}_{1}})}^{2}}}\] \[=\sqrt{{{(36-0)}^{2}}+{{(15-0)}^{2}}}\] \[=\sqrt{1296+225}=\sqrt{1521}=39\] Since, the position of towns A and B are given (0, 0) (36, 15), respectively and so, the distance between is 38 km.                           


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