A boy drives 25 km south, then 7 km east, then 25 km north. What is his final position relative to the starting point?
Q1. A boy drives 25 km south, then 7 km east, then 25 km north. What is his final position relative to the starting point?
Answer: 7 km east
Explanation: The boy's north and south movements cancel out, leaving him 7 km east of the starting point.