6. If the time taken by boat to go 28 km downstream and 30 km
upstream is 2.5h. If the ratio of the downstream and upstream
speed is 7:5, then find the speed of the boat in still water.
Answers
Answered by
0
Step-by-step explanation:
Answer: Option C
Explanation:
Speed downstream = (14 + 1.2) = 15.2 kmph
Speed upstream = (14 - 1.2) = 12.8 kmph
Total time taken
=
4864
15.2
+
4864
12.8
= 320 + 380 = 700 hours
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