City U is 9 km towards the east of City V.
City W is 5 km towards the south of City U.
City X is 3 km towards the west of City W
City Y is 5 km towards the north of City X.
City Z is 7 km towards the south of City X.
Which of the cities lie on a straight line?
Explanation:
- Cities and Directions:
- City U is 9 km east of City V.
- City W is 5 km south of City U.
- City X is 3 km west of City W.
- City Y is 5 km north of City X.
- City Z is 7 km south of City X.
- Check Linearity:
- Option 1: XZY
- City X, City Z, and City Y are vertically aligned.
- ?? (This is the correct option)
- Option 2: UVW
- V-U is east, U-W is south, forming a right angle, not a line.
- Option 3: YWU
- Y is north, W is south, U is east, forming angles with no straight path.
- Option 4: UXZ
- U is east, X is west and Z is even more south, forming a zigzag path.