Aptitude - Boats and Streams - Discussion
Discussion Forum : Boats and Streams - General Questions (Q.No. 7)
7.
The speed of a boat in still water in 15 km/hr and the rate of current is 3 km/hr. The distance travelled downstream in 12 minutes is:
Answer: Option
Explanation:
Speed downstream = (15 + 3) kmph = 18 kmph.
| Distance travelled = |  |
18 x | 12 |  km = 3.6 km. |
| 60 |
Video Explanation: https://youtu.be/IDOwWUeOldQ
Discussion:
21 comments Page 3 of 3.
Kanchan Tarwani said:
2 decades ago
why we add current rate with speed of still water??
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