Sujeet and Chandan are 675 m apart. If they walk in same direction, they meet after 22.5 minutes. If they walk in opposite directions, they meet after 4.5 minutes. Find the speed of Sujeet, if he walks faster than Chandan.
1
3.6 km/hr
2
5.4 km/hr
3
9 km/hr
4
1.8 km/hr