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Railways R.R.C. (Patna) Solved Paper Held on 1st Shift 16-11-2014

  • question_answer
    In covering a certain distance, the speed of A and B are in the ratio of 3 : 4. A takes 30 minutes more than B to reach the destination. The time taken by A to reach the destination is?

    A) 1 hour              

    B) \[1\frac{1}{2}\] hours

    C) 2 hours             

    D) \[2\frac{1}{2}\] hours

    Correct Answer: C

    Solution :

    Suppose time taken by A to reach the destination is x hour. Then,   \[\frac{3}{4}=\frac{x-\frac{30}{60}}{x}\]              \[3x=4x-2\]               \[x=2\,\,hours\]


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