Free Practice Question
PS · Problem Solving
505-555
Distance/Rate Problems
As a train passenger observes the telegraph poles along the route, he notices that they are spaced 60 metres apart. If the train travels at a speed of 54 km/h, how many poles will he see in one minute?
Answer Choices
Correct answer marked belowA
8
B
10
C
12
15
Correct
E
17
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Explanation
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Official Explanation
Official
A train passenger is counting the telegraph poles as he moves along. The poles are positioned 60 metres apart, and the train is moving at a speed of 54 km/h. We need to determine how many poles he will see in one minute. First, we convert the speed: 54 km/h = 54 *…
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2
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Z
ZuzannaJan 31, 2024
good question
K
KimberlyJul 7, 2024
thanks
What this question tests
What it tests
Your application of distance = rate × time to trains, boats, and commuters, including relative speed.
Common trap
Mixing units (miles per hour vs. minutes) or averaging speeds — average speed is total distance over total time.
Details
Difficulty
505-555
Type
PS
Category