Reasoning

Walk 7 km north, then 5 km east. Shortest distance?

Walk 6 km north, then 9 km east. Shortest distance?

Walk 2 km north, then 4 km east. Shortest distance?

Walk 9 km north, then 5 km east. Shortest distance?

Walk 2 km north, then 8 km east. Shortest distance?

Walk 2 km north, then 7 km east. Shortest distance?

Walk 4 km north, then 5 km east. Shortest distance?

Walk 7 km north, then 2 km east. Shortest distance?

Walk 10 km north, then 6 km east. Shortest distance?

Walk 5 km north, then 2 km east. Shortest distance?

Walk 8 km north, then 5 km east. Shortest distance?

Walk 6 km north, then 8 km east. Shortest distance?

Walk 4 km north, then 3 km east. Shortest distance?

Walk 10 km north, then 2 km east. Shortest distance?

Walk 3 km north, then 6 km east. Shortest distance?

Walk 6 km north, then 2 km east. Shortest distance?

Walk 10 km north, then 3 km east. Shortest distance?

Walk 2 km north, then 9 km east. Shortest distance?

Walk 8 km north, then 6 km east. Shortest distance?

Walk 5 km north, then 9 km east. Shortest distance?

Walk 8 km north, then 7 km east. Shortest distance?

Walk 3 km north, then 8 km east. Shortest distance?

Walk 7 km north, then 8 km east. Shortest distance?

Walk 6 km north, then 7 km east. Shortest distance?

Walk 8 km north, then 8 km east. Shortest distance?