1.

Q: A person rows a distance of $$ {3{3\over4}{ \ km}}$$ upstream in $$ {1{1\over 2}{\ hours}}$$ and a distance of 13 km downstream in 2 hours. How much time ( in hours) will the person take to row a distance of 90 km in still water?

A. 18
B. 24
C. 20
D. 15
Answer» D. 15


Discussion

No Comment Found