If J, 5, and V are points on the number line, what is the di : GMAT Data Sufficiency (DS)
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# If J, 5, and V are points on the number line, what is the di

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If J, 5, and V are points on the number line, what is the di [#permalink]

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31 Dec 2013, 06:12
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The Official Guide For GMAT® Quantitative Review, 2ND Edition

If J, S, and V are points on the number line, what is the distance between 5 and V?

(1) The distance between J and S is 20.
(2) The distance between J and V is 25.

Data Sufficiency
Question: 11
Category: Arithmetic Properties of numbers
Page: 153
Difficulty: 600

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Re: If J, 5, and V are points on the number line, what is the di [#permalink]

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31 Dec 2013, 06:12
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SOLUTION

If J, S, and V are points on the number line, what is the distance between 5 and V?

(1) The distance between J and S is 20.
(2) The distance between J and V is 25.

The answer to this question is E. Notice that we don't know relative positioning of the points on the number line:
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Re: If J, 5, and V are points on the number line, what is the di [#permalink]

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01 Jan 2014, 23:28
If J, 5, and V are points on the number line, what is the distance between 5 and V?

(1) The distance between J and 5 is 20.
(2) The distance between J and V is 25.

Sol:

We need to find the distance between 5 and V ie. l 5-V l

From St 1 we have the distance between J and 5. We can J anywhere to the left or right of 5 and the distance between them can be 20. So Possible values of J will be 25 or -15 . Not Sufficient

From St 2 we have the distance b/w J and V is 25. Not sufficient as we do not know the position relative to 5 on the number line

Combining we get there are the 2 values of J ie. -15 or 25 and thus value of V can be -40 or 10 (25 to the left or right of -15(J value)) or 50 or 0 (25 to the left or right of 25 (J value))

Hence 5- V can have multiple values.

Ans E
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Math Expert
Joined: 02 Sep 2009
Posts: 36598
Followers: 7095

Kudos [?]: 93457 [0], given: 10563

Re: If J, 5, and V are points on the number line, what is the di [#permalink]

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05 Jan 2014, 10:29
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SOLUTION

If J, S, and V are points on the number line, what is the distance between 5 and V?

(1) The distance between J and S is 20.
(2) The distance between J and V is 25.

The answer to this question is E. Notice that we don't know relative positioning of the points on the number line:

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Re: If J, 5, and V are points on the number line, what is the di [#permalink]

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20 Feb 2016, 10:44
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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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Re: If J, 5, and V are points on the number line, what is the di   [#permalink] 20 Feb 2016, 10:44
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