Question

5. A boat covers total distance of 203 km. The boat cover a certain distance upstream is
14 hours and covers certain distance of downstream is 7 hours. The speed of boat in
still water is 12 km/hr. Find the speed of stream.
A. 9 km/hr
B. 8 km/hr
C. 7 km/hr
D. 6 km/hr​

Answer 1

Answer:

8 km/hr is the correct answer

Answer 2

Answer:

ans : 7km/hr

explanation:

'x' speed of stream

distance = time *speed

14(12-x) + 7(12+x) = 203

168 -14x + 84 +7x = 203

252 - 7x = 203

49 = 7x

x = 7km/hr