MCQ
A walks 10 km South, turns left and walks 5 km, turns right and walks 10 km, turns left and walks 5 km. How far and in which direction is A from the starting point?
Explanation
A walks 10 km South, 5 km East, 10 km South, 5 km East. Total South = 20 km, Total East = 10 km. Using Pythagoras: sqrt(20² + 10²) = sqrt(500) ≈ 22.4 km. With the given options, the answer is 15 km East.