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A boat takes 5 hours to go 300 km downstream. It takes the same time to go 150 km upstream. Calculate, (i) The speed of the boat in still water. (ii) The speed of the stream.?
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A boat takes 5 hours to go 300 km downstream. It takes the same time t...
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A boat takes 5 hours to go 300 km downstream. It takes the same time t...
Answer: speed of the boat in still water is 45km/h
Speed of the stream is 15km/h

Step-by-step explanation: Answer:


Step-by-step explanation:Let the speed is boat is x km/h

and speed of the stream is y km/h

A/c to question, a boat takes 5 hours to go 300 km downstream.

So, speed of downstream = (x + y) km/h

So, 300/(x + y) = 5

x + y = 60....(1)


Again, it takes same time to go 150 km upstream,

So, speed of upstream = (x - y) km/h

So, 150/(x - y) = 5

x - y = 30 ....(2)

Solve equations (1) and (2),

x = 45 km/h and y = 15 km/h

Hence,the speed of boat in still water is 45km/h and speed of stream is 15km/h.
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A boat takes 5 hours to go 300 km downstream. It takes the same time to go 150 km upstream. Calculate, (i) The speed of the boat in still water. (ii) The speed of the stream.?
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A boat takes 5 hours to go 300 km downstream. It takes the same time to go 150 km upstream. Calculate, (i) The speed of the boat in still water. (ii) The speed of the stream.? for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about A boat takes 5 hours to go 300 km downstream. It takes the same time to go 150 km upstream. Calculate, (i) The speed of the boat in still water. (ii) The speed of the stream.? covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A boat takes 5 hours to go 300 km downstream. It takes the same time to go 150 km upstream. Calculate, (i) The speed of the boat in still water. (ii) The speed of the stream.?.
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