If a boat can travel 50 km downstream in 2 hours, and the speed of the current i

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What’s inside this PDF?

Question: If a boat can travel 50 km downstream in 2 hours, and the speed of the current is 5 km/h, what is the speed of the boat in still water?

Options:

20 km/h
25 km/h
30 km/h
35 km/h

Correct Answer: 25 km/h

Solution:

Speed downstream = Distance/Time = 50 km / 2 h = 25 km/h. Speed of boat in still water = Speed downstream - Speed of current = 25 km/h - 5 km/h = 20 km/h.

If a boat can travel 50 km downstream in 2 hours, and the speed of the current i

Practice Questions

If a boat can travel 50 km downstream in 2 hours, and the speed of the current is 5 km/h, what is the speed of the boat in still water?

20 km/h
25 km/h
30 km/h
35 km/h

Questions & Step-by-Step Solutions

If a boat can travel 50 km downstream in 2 hours, and the speed of the current is 5 km/h, what is the speed of the boat in still water?

Step 1: Identify the distance traveled downstream, which is 50 km.
Step 2: Identify the time taken to travel that distance, which is 2 hours.
Step 3: Calculate the speed downstream using the formula: Speed = Distance / Time.
Step 4: Plug in the values: Speed downstream = 50 km / 2 h = 25 km/h.
Step 5: Identify the speed of the current, which is 5 km/h.
Step 6: To find the speed of the boat in still water, subtract the speed of the current from the speed downstream.
Step 7: Calculate the speed of the boat in still water: 25 km/h - 5 km/h = 20 km/h.

Relative Speed – Understanding how the speed of a boat is affected by the current when traveling downstream.
Distance, Speed, and Time Relationship – Applying the formula Distance = Speed × Time to calculate speed.

If a boat can travel 50 km downstream in 2 hours, and the speed of the current i

What’s inside this PDF?

If a boat can travel 50 km downstream in 2 hours, and the speed of the current i

Practice Questions

Questions & Step-by-Step Solutions

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