Johnny starts walking towards East. After moving a distance of 20 metres, he turns to his left and walks 15 metres. Then, he turns to his right and moves 25 metres. Next, he turns to his right again…
Question and options
Johnny starts walking towards East. After moving a distance of 20 metres, he turns to his left and walks 15 metres. Then, he turns to his right and moves 25 metres. Next, he turns to his right again and walks 15 metres. How far in metres is he from his starting point?
- 0
- 25
- 40
- 45
Answer and explanation
Correct answer: D - 45
He walks 20 m east, then turns left and walks 15 m north, turns right and walks 25 m east, and turns right again to walk 15 m south. The north and south legs cancel, so he ends 20 + 25 = 45 m due east of the starting point; 0 m would need him to come back west, which he never does.
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CUSAT CAT Five-Year LL.B.
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