The ratio of the speed of a boat in still water to its speed upstream is 4 : 3 4 : 3 4 : 3 . The boat covers 560 km 560 \text{ km} 560 km downstream i...
Banking IBPS PO Prelims Medium Simplification MCQ
Question
The ratio of the speed of a boat in still water to its speed upstream is 4:3. The boat covers 560 km downstream in $7$ hours. What is the time taken by the boat to cover 480 km upstream?
Options
A. 8 hours
B. 9 hours
C. 7 hours
D. 5 hours
E. 10 hours
boat and streamspeedratiotime calculation