Free Practice Question
PS · Problem Solving
sub-505
Distance/Rate Problems
A passenger train leaves a station at a certain time at a fixed speed. After 6 hours, an express train leaves the same station and moves in the same direction a ta uniform speed of 80 kmph. This train catches the passenger train in 6 hours. Find the speed of the passenger train.
Answer Choices
Correct answer marked belowA
30 kmph
B
32 kmph
C
36 kmph
40 kmph
Correct
E
46 kmph
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Explanation
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Sign in to commentWhat 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
sub-505
Type
PS
Category