BANK IDBI Assistant Manager Mock Test 2022 Quantitative Aptitude Speed Time and Distance Boat and River
A boy rows a boat to cover a distance of 40 km. He started from a point and returned after covering total of 80 km in 9 hours. He found that he could row 5 km with the stream at the same time as 4 km against the stream. What is the speed of the stream?
1
1.3 km/hr
2
1 km/hr
3
1.5 km/hr
4
2 km/hr
5
None of these