engineering recuitment OSSC Combined Technical Services (ଓଡିଶା) Mock Test 2023-24 Quantitative Aptitude Speed Time and Distance Boat and River
A boat takes 90 minutes less to travel 36 miles downstream than to travel the same distance upstream. If the speed is of the boat in still water 10 mph, the speed of the stream is:
1
2 mph
2
2.5 mph
3
3 mph
4
4 mph