state gov Bihar Vidhan Sabha DEO Mock Test 2024 Quantitative Aptitude Speed Time and Distance Boat and River
The effective speed of a boat is 15.2 km/h against the stream and 20.8 km/h along the stream. Find the speed of the stream.
1
18 km/h
2
1.8 km/h
3
2.8 km/h
4
3 km/h