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Trains Boats and Streams Practice Test 1 with solutions
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© examsnet.com
Question : 17
Total: 40
Archit can swim at a rate of 6 km/hour in the still water. Find the time taken by him to swim to a place 10 km downstream and back to the starting point if the rate of current is 1.5 km/hour.
3 hour
3.56 hour
4 hour
4.25 hour
None of these
Validate
Solution:
👈: Video Solution
Down stream rate = 6 + 1.5 = 7.5 km/hour
Upstream rate = 6 - 1.5 = 4.5 km/hour
According to the question,
10
7.5
+
10
4.5
= 1.33 + 2.22 ≈ 3.56 hours.
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