A boat goes 100 km downstream in 10 hours, and 60 km upstream in 30 hours.
A boat goes 100 km downstream in 10 hours, and 60 km upstream in 30 hours. The speed of the stream is?
Answer/Solution
E)4
Steps/Work
100 --- 10 DS = 10
? ---- 1
60 ---- 30 US = 2
? ----- 1 S = (10 - 2)/2
= 4 kmph
ANSWER:E
? ---- 1
60 ---- 30 US = 2
? ----- 1 S = (10 - 2)/2
= 4 kmph
ANSWER:E