A boy walks 2 km to West then turns North and walks 10 km. Again, he turns to West and walks 4 km after this he turns to South and walks 18 km. Now, how far is he from his starting point?
Question and options
A boy walks 2 km to West then turns North and walks 10 km. Again, he turns to West and walks 4 km after this he turns to South and walks 18 km. Now, how far is he from his starting point?
- 8 km
- 10 km
- 11 km
- 12 km
Answer and explanation
Correct answer: B - 10 km
West total 2 + 4 = 6 km; North 10 then South 18 gives net 8 km South. Distance = sqrt(6^2 + 8^2) = 10 km.
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CUSAT CAT Integrated IPR Ph.D.
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