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GRE Prep Club Team Member
Joined: 20 Feb 2017
Posts: 2506
Given Kudos: 1055
GPA: 3.39
A hiker walking at a constant rate of 4 miles per hour is passed by a
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16 Apr 2022, 04:23
16 Apr 2022, 04:23
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Question Stats:
30% (01:54) correct
69% (01:49) wrong based on 13 sessions
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A hiker walking at a constant rate of 4 miles per hour is passed by a cyclist traveling in the same direction along the same path at a constant rate of 20 miles per hour. The cyclist stops to wait for the hiker 5 minutes after passing her, while the hiker continues to walk at her constant rate. How many minutes must the cyclist wait until the hiker catches up?
A. 6 2/3
B. 15
C. 20
D. 25
E. 26 2/3
A. 6 2/3
B. 15
C. 20
D. 25
E. 26 2/3
Re: A hiker walking at a constant rate of 4 miles per hour is passed by a
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16 Apr 2022, 06:28
16 Apr 2022, 06:28
2
Quote:
A hiker walking at a constant rate of 4 miles per hour is passed by a cyclist traveling in the same direction along the same path at a constant rate of 20 miles per hour. The cyclist stops to wait for the hiker 5 minutes after passing her, while the hiker continues to walk at her constant rate. How many minutes must the cyclist wait until the hiker catches up?
Speed of the cyclist = 20 miles per hour
Distance travelled by cyclist in 5 minutes = 20 * 5/60 = 5/3 mile
Speed of the hiker = 4miles per hour
Distance travelled by hiker in 5 minutes = 4* 5/60 = 1/3 mile
Distance between cyclist and hiker after 5 minutes = 5/3 - 1/3 = 4/3 mile
Time taken by hiker to cover this distance = (4/3)/4 = 1/3 hour = 20 min
IMO C
gmatclubot
Re: A hiker walking at a constant rate of 4 miles per hour is passed by a [#permalink]
16 Apr 2022, 06:28
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