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    Question

    A man walking at 4/5 of his regular speed, when a man

    covers a few distance in 3 hrs more than the time he takes to cover the same distance at his regular speed. Then what will be the time taken by him to cover the distance at his regular speed (in hrs) is?
    A 10 hrs Correct Answer Incorrect Answer
    B 15 hrs Correct Answer Incorrect Answer
    C 12 hrs Correct Answer Incorrect Answer
    D 5 hrs Correct Answer Incorrect Answer
    E none of these Correct Answer Incorrect Answer

    Solution

    ATQ, we can say that  as we know that speed is inversely proportional to time so with 4/5 of usual speed he will take 5/4 of usual time. Now, (5/4) x usual time - usual time = 3 Usual time =  (5−4)/4 = 3 Usual time = 3 x 4 = 12 hrs 

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