A man starts walking towards the North. After walking 30 metres, he turns to his left and walks 40 metres. He then turns left again and walks 30 metres. How far is he from his original position?

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A 30 metres
B 40 metres
C 70 metres
D 10 metres

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Answer: B. 40 metres

Explanation: The man forms a rectangle. He went up 30, left 40, and down 30. He is now exactly opposite his starting point, separated by the 40-metre horizontal distance.

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A man starts walking towards the North. After walking 30 metres, he turns to his left and walks 40 metres. He then turns left again and walks 30 metres. How far is he from his original position?

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