Quantitative Aptitude Ques 1024
Question: A boy can swim in still water at a speed of 10 km/h. If the speed of the current would have been 5 km/h, then the boy would swim 60 km
Options:
A) Upstream in 4 h
B) upstream in 12 h
C) Downstream in 8 h
D) upstream in 6 h
Show Answer
Answer:
Correct Answer: B
Solution:
- Rate downstream $ =10+5=15km/h $ Rate upstream $ =10-5=5km/h $ Time taken in swimming 60 km downstream $ =\frac{60}{15}=4h $ Time taken in swimming 60 km upstream $ =\frac{60}{5}=12h $
BETA
