49.
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:
A. 1.2 km B. 1.8 km
C. 2.4 km D. 3.6 km
Answer: Option D
Explanation:
Speed
downstream = (15 + 3) kmph = 18 kmph.
|
Distance
travelled =
|
|
18
x
|
12
|
km =
3.6 km.
|
|
60
|
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