A motor boat whose speed is 18 km/hr in still water takes 1 hr more to go 24 km upstream than to return downstream to same spot . find the speed of stream.
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Let the speed of stream be x.
Then,
Speed of boat in upstream is 24 ‒ x
In downstream, speed of boat is 24 + x
According to question,
Time taken in the upstream journey ‒ Time taken in the downstream journey = 1 hour
⠀
∴ Speed of the Stream will be 8 km/hr.
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