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# Train A leaves the station at 5:00, and travels north at 50 miles per

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SVP
Status: Preparing GMAT
Joined: 02 Nov 2016
Posts: 2032
Location: Pakistan
GPA: 3.39
Train A leaves the station at 5:00, and travels north at 50 miles per  [#permalink]

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17 May 2017, 10:33
2
00:00

Difficulty:

15% (low)

Question Stats:

74% (01:03) correct 26% (01:21) wrong based on 75 sessions

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Train A leaves the station at 5:00, and travels north at 50 miles per hour. If train B leaves the same station some time later, heading in the same direction as train A, at what time will train B overtake train A?

(1) Train B leaves the station at 6:00.
(2) Train A travels at 5/6 the speed of train B.

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Joined: 25 Feb 2013
Posts: 1220
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Re: Train A leaves the station at 5:00, and travels north at 50 miles per  [#permalink]

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17 May 2017, 11:12
1
Train A leaves the station at 5:00, and travels north at 50 miles per hour. If train B leaves the same station some time later, heading in the same direction as train A, at what time will train B overtake train A?

(1) Train B leaves the station at 6:00.
(2) Train A travels at 5/6 the speed of train B.

To solve the question we need two information - 1) at what time train B leaves the station and 2) what is train B's speed

Statement 1: it provide the time when B leaves the station but does not provide information regarding B's speed. hence insufficient

Statement 2: it provides speed of train B but provides no information regarding the time when train B leaves the station. Hence insufficient

Combining 1 & 2 we get both the requirements to solve the question.

Hence option C
Senior Manager
Joined: 07 Jul 2012
Posts: 377
Location: India
Concentration: Finance, Accounting
GPA: 3.5
Re: Train A leaves the station at 5:00, and travels north at 50 miles per  [#permalink]

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19 May 2017, 00:31
Information required:
(1) Time of departure of Train B
(2) Speed of Train B

Statement:1 Gives the departure time of Train B
Statement:2 Gives the speed of Train B
(1)&(2)
Both statements are required to solve the question.

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Re: Train A leaves the station at 5:00, and travels north at 50 miles per &nbs [#permalink] 19 May 2017, 00:31
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# Train A leaves the station at 5:00, and travels north at 50 miles per

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