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 2 of 3.
Ananda said:
6 years ago
If we calculate the same question in upstream. Then the solution is;
Vikram said:
6 years ago
12 mins is 12*60 secs know? Why did they divide with 60 there?
(2)
Lalitha said:
9 years ago
Why we are dividing 12/60, and why we are not multiplying it?
(1)
Nagarjun said:
1 decade ago
They have specified as downstream so we have to add.
Kanchan Tarwani said:
2 decades ago
why we add current rate with speed of still water??
Debasis said:
1 decade ago
How to calculate distance traveled = (18*12/60)?
Utoeyen said:
3 years ago
Thanks for giving a clear explanation @Bindu.
(1)
Sanjana said:
1 decade ago
Why we add current rate with speed?
NANDINI said:
1 decade ago
12/60 = 0.2.
18*0.2 = 3.6.
18*0.2 = 3.6.
Kavya mareedu said:
1 decade ago
Thanks goutham.
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