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On the number line, the distance between point A and point C [#permalink]

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30 Jul 2010, 13:20

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55% (02:08) correct
45% (00:58) wrong based on 283 sessions

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On the number line, the distance between point A and point C is 5 and the distance between point B and point C is 20. Does C lie between point A and point B?

(1) The distance between point A and point B is 25. (2) Point A lies to the left of point B.

|----|------------------| A C B |- 5--| |--------20-------| |-----------25----------|

Only way statement 1 works is above. Statement 1 is sufficient.

Statement 2 is a trap. If you do statement 1 first, you may be fooled into thinking, because A is to the left of point B that it is the same as above. However, it could also be: |----|------------| C A B |-5--| |---20-------| |-------20--------|

Doh, it didn't preserve the white space. Anyways, in Statement 2 we don't know the distance between A and B, therefore it could 20 or 25 units apart. C could be to the left of A or in the middle.

On the number line, the distance between point A and point C [#permalink]

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16 Nov 2010, 06:53

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This post was BOOKMARKED

On the number line, the distance between point A and point C is 5 and the distance between point B and point C is 20. Does point C lie between A and B?

(1) The distance between point A and point B is 25 (2) Point A liest to the left of Point B.

Re: on the number line the distance between [#permalink]

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16 Nov 2010, 07:19

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Expert's post

anilnandyala wrote:

on the number line the distance between point A & C is 5 & the distance between point B & c is 20 . does the point c lie between point A & B? a) the distance between A & B is 25 b) point A lies left to pont B

For statement 2 following cases are possible: A--(5)--C-------(20)-----------B C--(5)--A-------(15)---------B

Re: on the number line the distance between [#permalink]

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06 Jul 2012, 23:54

Bunuel

I am unable to do number line problems unable to understand concept any suggestions please

Bunuel wrote:

anilnandyala wrote:

on the number line the distance between point A & C is 5 & the distance between point B & c is 20 . does the point c lie between point A & B? a) the distance between A & B is 25 b) point A lies left to pont B

For statement 2 following cases are possible: A--(5)--C-------(20)-----------B C--(5)--A-------(15)---------B

Re: on the number line the distance between [#permalink]

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07 Jul 2012, 01:18

1

This post received KUDOS

venmic wrote:

Bunuel

I am unable to do number line problems unable to understand concept any suggestions please

Bunuel wrote:

anilnandyala wrote:

on the number line the distance between point A & C is 5 & the distance between point B & c is 20 . does the point c lie between point A & B? a) the distance between A & B is 25 b) point A lies left to pont B

For statement 2 following cases are possible: A--(5)--C-------(20)-----------B C--(5)--A-------(15)---------B

So this statement is not sufficient.

Answer: A.

Highly recomend Karishma's blog posts on absolute values / number line concepts

Re: On the number line, the distance between point A and point C [#permalink]

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25 Dec 2013, 06:07

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Re: On the number line, the distance between point A and point C [#permalink]

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10 Feb 2015, 05:06

Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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