exam
Maths Puzzle
The XYZ river flows at 12 km/hr. A boy who can row at
25
18
m/s in still water had to cross it in the least possible time. The distance covered by the boy is how many times the width of the river XYZ?
A.
2.1
B.
2.3
C.
2.6
D.
2.9
Read Solution (Total 1)
-
- root 12^2 + 5^2 = 13
13/5 = 2.6 - 8 years agoHelpfull: Yes(0) No(1)
exam Other Question