engineering recuitment DRDO Technician A 2022 Mock Test Series (Tier I) Quantitative Aptitude Speed Time and Distance Boat and River
If the speed of a boat in stationary water is 28 km/h and the speed of the stream is 10 km/h. Distance covered by boat in the direction along the stream is 342 km and return back. Find the total time taken.
1
28 hours
2
5 hours
3
15 hours
4
20 hours