regulatoryBody RBI Office Attendant Mock Test 2021 Quantitative Aptitude Speed Time and Distance Boat and River
A boat sails 60 km upstream at the rate of 4 km/hr. If the stream flows at the rate of 1 km/hr, then how long will the boat take for the return trip?
1
9 hr
2
2 hr
3
7 hr
4
6 hr
5
10 hr