Mathematics · Speed, Distance and Time
An underwater drone takes thrice as much time to navigate a certain distance against the current as to navigate the same distance with the current. If the speed of the drone in still water is 12 km/h, then what is the difference between the distance covered by the drone against the current and with the current in 5 hours?
- 160 km✓
- 2120 km
- 330 km
- 490 km
Correct answer
60 km
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