Teaching KVS Junior Secretariat Assistant (LDC) Mock Test 2022 Quantitative Aptitude Speed Time and Distance Boat and River
Two boats A and B have the same speed in still water. The boat A is in a river with speed of current 50 km/hour. Boat B is in a river with speed of current as 40 km/hour. The total time both the boats took to travel 20 km upstream is 3 hours. Find the speed of the boat in still water.
1
65
2
63
3
67
4
60