2. Sample Papers
  3. Railways

Railways Sample Paper RRB (Group D) Sample Test Paper-4

  • question_answer
    The area of a square park is 25 sq. km. The time taken to complete a round of the field once, at a speed of 3 km/hour is

    A)  4 hours 60 minutes

    B)  4 hours 50 minutes

    C)  6 hours 40 minutes

    D)  5 hours 40 minutes

    Correct Answer: C

    Solution :

    [c] Side of square park \[=\sqrt{25}\,\,km=5\,\,km\] Perimeter of park \[=4\times 5=20\,\,km\] Time taken = \[\frac{20\,\,km}{3\,\,km/h}\]6 hours 40 minutes


You need to login to perform this action.
You will be redirected in 3 sec spinner