Question: Two cyclists start from the same point and ride in opposite directions at speeds of 15 km/h and 20 km/h. How far apart will they be after 1 hour?
Options:
25 km
30 km
35 km
40 km
Correct Answer: 30 km
Solution:
Distance apart = (15 + 20) * 1 = 35 km.
Two cyclists start from the same point and ride in opposite directions at speeds
Practice Questions
Q1
Two cyclists start from the same point and ride in opposite directions at speeds of 15 km/h and 20 km/h. How far apart will they be after 1 hour?
25 km
30 km
35 km
40 km
Questions & Step-by-Step Solutions
Two cyclists start from the same point and ride in opposite directions at speeds of 15 km/h and 20 km/h. How far apart will they be after 1 hour?
Step 1: Identify the speeds of the two cyclists. One cyclist rides at 15 km/h and the other at 20 km/h.
Step 2: Since they are riding in opposite directions, we need to add their speeds together.
Step 3: Add the speeds: 15 km/h + 20 km/h = 35 km/h.
Step 4: Determine the time they are riding. In this case, it is 1 hour.
Step 5: Calculate the distance apart after 1 hour by multiplying the combined speed by the time: 35 km/h * 1 hour = 35 km.
Step 6: Conclude that after 1 hour, the two cyclists will be 35 km apart.
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