Math, asked by mandy281071, 2 months ago

pls tell the answer!! ​

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Answered by VishalRai46
1

Answer:

Speed of upstream = 30 km/m

Speed of downstream = 50km/m

Step-by-step explanation:

Speed of stream= 10 km/m

Speed of boat on still water= 40 km/m

Speed of upstream = 40-10

=30km/m

Speed of downstream = 40+10

=50km/m

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