engineering recuitment NIC NIELIT Scientist B 2023 Mock Test Quantitative Aptitude Speed Time and Distance Boat and River
The speed of a boat in still water is 18 km/h and the speed of the current is 6 km/h. In how much time (in hours) will the boat travel a distance of 90 km upsteam and 72 km distance downstream?
1
10.5
2
12
3
9
4
11.5