A driver travels 2 km north, then 1 km east, and finally 2 km south. What is the shortest distance to the starting point?
Q1. A driver travels 2 km north, then 1 km east, and finally 2 km south. What is the shortest distance to the starting point?
Answer: 1 km
Explanation: The north and south distances cancel out, leaving 1 km east, which is the shortest distance to the starting point's eastward direction.