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Question
The speed upstream of a boat is expressed as:
Options
Speed of boat in still water \(-\) speed of stream
Speed of stream \(-\) speed of boat in still water
Speed of boat in still water \(+\) speed of stream
Speed of boat in still water \(\times\) speed of stream
MCQ
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Solution
When the boat moves upstream, the stream opposes it, so the stream speed is subtracted. Hence speed upstream = speed of boat in still water \(-\) speed of stream.
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