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# James drove past three inns – Inn A, Inn B and Inn C in that order.

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Senior Manager
Joined: 18 Feb 2019
Posts: 385
Location: India
GMAT 1: 460 Q42 V13
GPA: 3.6
James drove past three inns – Inn A, Inn B and Inn C in that order.  [#permalink]

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06 Apr 2019, 05:36
00:00

Difficulty:

45% (medium)

Question Stats:

52% (00:52) correct 48% (00:59) wrong based on 27 sessions

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James drove past three inns – Inn A, Inn B and Inn C in that order. What was James’ speed when he drove past Inn B?

I. James covered the 64 kilometres between Inn A and Inn B in 1 hour and 4 minutes

II. James covered the 32 kilometres between Inn B and Inn C in 32 minutes
Math Expert
Joined: 02 Aug 2009
Posts: 7686
Re: James drove past three inns – Inn A, Inn B and Inn C in that order.  [#permalink]

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08 Apr 2019, 08:52
James drove past three inns – Inn A, Inn B and Inn C in that order. What was James’ speed when he drove past Inn B?

We are looking for EXACT speed at that moment, so the average speed is of no help or it should be constant speed.

I. James covered the 64 kilometres between Inn A and Inn B in 1 hour and 4 minutes
We will get average speed during this stretch

II. James covered the 32 kilometres between Inn B and Inn C in 32 minutes
We will get average speed during this stretch

We cannot find the exact speed at some moment in the trip ..
Insuff

E
_________________
Intern
Joined: 29 Mar 2019
Posts: 7
Anand: Jain
GPA: 3.13
Re: James drove past three inns – Inn A, Inn B and Inn C in that order.  [#permalink]

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08 Apr 2019, 09:35
chetan2u wrote:
James drove past three inns – Inn A, Inn B and Inn C in that order. What was James’ speed when he drove past Inn B?

We are looking for EXACT speed at that moment, so the average speed is of no help or it should be constant speed.

I. James covered the 64 kilometres between Inn A and Inn B in 1 hour and 4 minutes
We will get average speed during this stretch

II. James covered the 32 kilometres between Inn B and Inn C in 32 minutes
We will get average speed during this stretch

We cannot find the exact speed at some moment in the trip ..
Insuff

E

Hi,
What keywords should we look for,in questions of similar type, which indicate whether we have to find average or instantaneous speed?
Thanks

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Re: James drove past three inns – Inn A, Inn B and Inn C in that order.   [#permalink] 08 Apr 2019, 09:35
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