Boats & Streams Mcqs

Q.  The speed of a boat in still water is 2km/hr. If its speed upstream be 1km/hr then speed of the stream is________?

a. 1.5km/hr
b. 3km/hr
c. 1km/hr
d. none


ANSWER: See Answer
 
Let the speed of stream be x km/hr

Speed upstream = (2-x) km/hr = 2-x = 1 => x = 1 km/hr
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