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    Question

    A man travels a certain distance at 12 km/h and returns

    to the starting point at 9 km/h. The total time taken by him for the entire journey 2 (1/3) hours. The total distance (in km) covered by him is:
    A 12 Correct Answer Incorrect Answer
    B 25 Correct Answer Incorrect Answer
    C 28 Correct Answer Incorrect Answer
    D 24 Correct Answer Incorrect Answer

    Solution

    According to question x/12 + x/9 = 7/3 LCM of 12 and 9 is = 36 3x+4x / 36 = 7/3 7x / 36 = 7/3 X = 7 ├Ч 36 / 3 ├Ч 7 X = 12km So Distance= 12km He travelled again to starting point hence = 12 ├Ч 2 = 24km

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