If Mehul rows 15 km upstream and 21 km downstream taking 3 hours each time, then the speed of the stream is,: 1) 1km/hr 2) I.5 km/hr 3) 2 km/hr 4) 12 km/hr
If Mehul rows 15 km upstream and 21 km downstream taking 3 hours each time, then the speed of the stream is,:
1) 1km/hr
2) I.5 km/hr
3) 2 km/hr
4) 12 km/hr