state gov TSPSC Group 4 Mock Test 2022-2023 Quantitative Aptitude Speed Time and Distance Boat and River
A boat can go to a place 30 km distant from the starting point in the direction of current and come back. If it takes 3 hours while going downstream and his upstream speed is 5 km/hr, then what will be the average speed of the boat in the whole journey?
1
20/3 km/hr
2
20 km/hr
3
25/3 km/hr
4
25 km/hr