Solved UPSC CDS/OTA Question
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Q · Boat and StreamModerate · 45s
The river is 0.5 km wide. A boat rows perpendicular to the current at 5 km/h; stream is 3 km/h. How far downstream will it drift?
TopicBoat and Stream
Question Typemultiple choice
DifficultyModerate
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained - no skipped algebra.
Time to cross = width/u = 0.1 h; Drift = v*t = 0.3 km.
Final Answer: Option D - 0.3 km