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# On the number line the distance between point A and C is 5

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Joined: 24 Oct 2005
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On the number line the distance between point A and C is 5 [#permalink]  22 Jul 2007, 20:28
On the number line the distance between point A and C is 5 and the distance between point B and C is 20. Does point C lie between A and B?

1. Distance between A and B is 25
2. A lies to the left of B
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Senior Manager
Joined: 28 Jun 2007
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Kudos [?]: 5 [0], given: 0

what is number line? I am assuming straight line

1 is enough

2. is sufficient too.

I would go for "both alone are sufficient"
GMAT Club Legend
Joined: 07 Jul 2004
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Location: Singapore
Followers: 22

Kudos [?]: 184 [0], given: 0

St1:
Insufficient. Could be B on the left, A in the middle and C on the right OR COuld be A or the left, C in the middle and B on the right etc.

St2:
C could be on the left of A or the right of B. Insufficient.

Using both st1 and st2:
C must be in the middle. Sufficient.

Ans C
Senior Manager
Joined: 28 Jun 2007
Posts: 463
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Kudos [?]: 5 [0], given: 0

ywilfred wrote:
St1:
Insufficient. Could be B on the left, A in the middle and C on the right OR COuld be A or the left, C in the middle and B on the right etc.

St2:
C could be on the left of A or the right of B. Insufficient.

Using both st1 and st2:
C must be in the middle. Sufficient.

Ans C

what is number line? I am assuming straight line

Am I missing something?
GMAT Club Legend
Joined: 07 Jul 2004
Posts: 5078
Location: Singapore
Followers: 22

Kudos [?]: 184 [0], given: 0

A number line is just a line indicating positions of a number with respect to another number.

Think of it as ruler except that this ruler can go negatives.
Senior Manager
Joined: 28 Jun 2007
Posts: 463
Followers: 2

Kudos [?]: 5 [0], given: 0

ywilfred wrote:
A number line is just a line indicating positions of a number with respect to another number.

Think of it as ruler except that this ruler can go negatives.

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