If a boat can travel 20 km downstream in 1 hour, what is the speed of the boat i

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Question: If a boat can travel 20 km downstream in 1 hour, what is the speed of the boat in still water if the speed of the current is 4 km/h?

Options:

12 km/h
16 km/h
20 km/h
24 km/h

Correct Answer: 16 km/h

Solution:

Speed downstream = Distance/Time = 20 km / 1 h = 20 km/h. Speed of boat in still water = Speed downstream - Speed of current = 20 km/h - 4 km/h = 16 km/h.

If a boat can travel 20 km downstream in 1 hour, what is the speed of the boat i

Practice Questions

If a boat can travel 20 km downstream in 1 hour, what is the speed of the boat in still water if the speed of the current is 4 km/h?

12 km/h
16 km/h
20 km/h
24 km/h

Questions & Step-by-Step Solutions

If a boat can travel 20 km downstream in 1 hour, what is the speed of the boat in still water if the speed of the current is 4 km/h?

Step 1: Identify the distance traveled downstream, which is 20 km.
Step 2: Identify the time taken to travel that distance, which is 1 hour.
Step 3: Calculate the speed downstream using the formula: Speed = Distance / Time. So, Speed downstream = 20 km / 1 h = 20 km/h.
Step 4: Identify the speed of the current, which is given as 4 km/h.
Step 5: To find the speed of the boat in still water, subtract the speed of the current from the speed downstream. So, Speed of boat in still water = 20 km/h - 4 km/h.
Step 6: Calculate the result: 20 km/h - 4 km/h = 16 km/h.

Relative Speed – Understanding how the speed of a boat is affected by the current when traveling downstream.
Basic Arithmetic – Applying basic arithmetic operations to calculate speed and distance.

If a boat can travel 20 km downstream in 1 hour, what is the speed of the boat i

What’s inside this PDF?

If a boat can travel 20 km downstream in 1 hour, what is the speed of the boat i

Practice Questions

Questions & Step-by-Step Solutions

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