Paper 1 · Mathematical Reasoning and Aptitude
Kumar walked 5 m north, took a left turn and walked 10 m, then took a right turn and walked 20 m, and again took a right turn and walked 10 m. How far is he from the starting point?
A20 m
B15 m
C25 m ✓ Correct
D30 m
Correct answer: (C) 25 m — He is 25 m from the start, so that is the answer.
Explanation
★He is 25 m from the start, so that is the answer.
★Walking 5 m north and then 20 m more north adds up to 25 m north.
★The left turn takes him 10 m west, and the later right turn takes him 10 m east.
★The 10 m west and 10 m east cancel to zero.
★So he is left only 25 m to the north.
★So he is 25 m from the starting point.
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