Question

    A man starts walking from his house towards the south.

    After walking 5 km, he turned to his left and walked 6 km. Then he walked further 5 km after turning left. Then he turned to his left and continued to walk for 9 km. How far is he from his house?
    A 3 km Correct Answer Incorrect Answer
    B 4 km Correct Answer Incorrect Answer
    C 5 km Correct Answer Incorrect Answer
    D 6 km Correct Answer Incorrect Answer

    Solution

    Plotting the path forms a right triangle: 4 km (net east-west) and 3 km (net north-south), yielding a 5 km hypotenuse. 

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