BANK IBPS SO Mock Test (Pre + Mains) 2024 Quantitative Aptitude Speed Time and Distance Boat and River
A boat covers a distance of 32 km in water flow. The initial speed of the boat in downstream 1 km/hr. But due to a wave after every 2 hours, his speed increases by 2 km/hr, and on his return, his speed becomes 1/2 of his average speed of downstream and no wave is there in return. To find the average speed of his entire journey. (Approximately).
1
3.5 km/hr
2
2.67 km/hr
3
21.33 km/hr
4
5.67 km/hr
5
None of these