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    Question

    Anshul lives on 20th floor and Keshav lives on 57th

    floor. Anshul┬аgoes up at a rate of 36 floors per minute and Keshav┬аcomes down at a rate of 38 floors per minute. At which floor they will meet?┬а
    A 38th Correct Answer Incorrect Answer
    B 28th Correct Answer Incorrect Answer
    C 29th Correct Answer Incorrect Answer
    D 30th Correct Answer Incorrect Answer

    Solution

    Total floors between Anshul and Keshav = 57 тАУ 20 = 37 floors Relative speed = 36 + 38 = 74 floor/min Time taken by them to meet = total floors/relative speed = 37/74 = 1/2 min Anshul travels in 1/2 min = 1/2 x 36 = 18 floors Floor at which Anshul and Keshav will meet = 20 + 18 = 38th floor

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