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Railways R.R.C. (Gorakhpur) Solved Paper Held on 1st Shift 9-11-2014

  • question_answer
    The distance between the parallel boundaries of a trapezoidal field is 20 m. If the parallel boundaries are 50 m and 70 m respectively, what is the area of

    A) 2400 square metre         

    B) 7000 square metre

    C) 3500 square metre         

    D) 1200 square metre

    Correct Answer: D

    Solution :

    The area of the field \[=\frac{1}{2}\times (50+70)\times 20\] \[=\frac{1}{2}\times 120\times 20\] \[=1200\,\,sq.\,\,meter\]


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