Subject
Quantitative Aptitude
Topic
Boat and Stream
A barge, when empty, travels twice as fast as when it is full. If it travels 20 miles north with a cargo, spends 30 minutes for unloading, and returns to its original port empty to complete the entire trip taking 8 hours, what is the speed of the barge when it is empty ?
A barge, when empty, travels twice as fast as when it is full. If it travels 20 miles north with a cargo, spends 30 minutes for unloading, and returns to its original port empty to complete the entire trip taking 8 hours, what is the speed of the barge when it is empty ?
ক)
8 mphখ)
15 mphগ)
10 mphঘ)
12 mphঙ)
None