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Railways R.R.C. (Chennai) Solved Paper Held on 17-11-2013

  • question_answer
    If perimeter of triangle is 18 cm and any two sides are of length 5 cm and 7 cm, then length of third side will be?

    A) 5                     

    B) 6

    C) 7                                 

    D) 8

    Correct Answer: A

    Solution :

    Let length of third side = x cm Then, perimeter of triangle = 18 cm \[x+5+7=18\] \[x+12=18\] \[x=6\,\,cm\]


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