Quantitative Aptitude Ques 1246
Question: .
A boat running downstream covers a distance of 12 km in 2 h while for covering the same distance upstream it takes 3 h. What is the speed of the boat in still water?
Options:
A) 8 km/h
B) 4 km/h
C) 5 km/h
D) 9 km/h
Show Answer
Answer:
Correct Answer: C
Solution:
- Downstream speed $ =( \frac{12}{2} )km/h=6km/h $ Upstream speed $ =( \frac{12}{3} )km/h=4km/h $
$ \therefore $ Speed in still water $ =\frac{1}{2}(6+4)=5km/h $