Kunal walks 10 kilometers towards North. From there, he walks 6 kilometers towards South. Then, he walks 3 kilometers towards East. How far and in which direction is he with reference to his starting point ?



Kunal walks 10 kilometers towards North. From there, he walks 6 kilometers towards South. Then, he walks 3 kilometers towards East. How far and in which direction is he with reference to his starting point ?


A. 5 kilometers west

B. 5 kilometers north-east

C. 7 kilometer east

D. 7 kilometer west

E. None of these

Answer : B. 5 kilometers north-east


Explanation:


Kunal walks 10 kilometers towards North

    AD=√(AC2+CD2)
    AD = √(42 + 32)
    AD = 5 km (North-East)


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