Mahi started walking east. After walking 1km, he turns left. He repeats the same procedure thrice after walking the same distance every time. How far is he from his starting point finally?
Question
Mahi started walking east. After walking 1km, he turns left. He repeats the same procedure thrice after walking the same distance every time. How far is he from his starting point finally?
Solution
Mahi started walking east and after walking 1km, he turned left. This means he is now facing north.
After walking another 1km north, he turned left again. Now, he is facing west.
After walking 1km west, he turned left once more. This means he is now facing south.
After walking 1km south, he turned left for the last time. Now, he is facing east again.
After walking the final 1km east, he is back at his starting point.
So, Mahi is 0km away from his starting point.
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