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Re: Issue with wording [#permalink]
11 May 2010, 02:56

2

This post received KUDOS

Expert's post

harikattamudi wrote:

37.If 'S' and 'T' are two different numbers on the number liine, is S + T equal to 0? (1) The distance between S and 0 is the same as the distance between T and 0. (2) 0 is between S and T

What does the tern between in the stmt. 2 Mean .. Does that mean exactly in the middle or some where between S and T. Please explain What does between mean in terms of GMAT.

Thanks -H

0 is between s and t, means 0 is somewhere between s and t on the number line.

If GMAT wants to tell that 0 is exactly between s and t, it would usually state that as "0 is halfway between s and t on the number line", which always can be expressed as \frac{s+t}{2}=0.

TIPS: On the GMAT we can often see such statement: z is halfway between x and y on the number line. Remember this statement can ALWAYS be expressed as:

\frac{x+y}{2}=z.

"The distance between x and y" can always be expressed as |x-y|.

Knowing zero lies between s and t doesnt help as it may not be in the center. knowing both, we call tell one is negative and the other is equally positive

Knowing zero lies between s and t doesnt help as it may not be in the center. knowing both, we call tell one is negative and the other is equally positive

S == t is not possible because it is given that they are different numbers. So think again........

Knowing zero lies between s and t doesnt help as it may not be in the center. knowing both, we call tell one is negative and the other is equally positive

S == t is not possible because it is given that they are different numbers. So think again........

My bad! Is there a way to see the question when i am replying to it? It is A.

Issue with wording [#permalink]
10 May 2010, 16:41

37.If 'S' and 'T' are two different numbers on the number liine, is S + T equal to 0? (1) The distance between S and 0 is the same as the distance between T and 0. (2) 0 is between S and T

What does the tern between in the stmt. 2 Mean .. Does that mean exactly in the middle or some where between S and T. Please explain What does between mean in terms of GMAT.

Re: Issue with wording [#permalink]
10 May 2010, 19:30

harikattamudi wrote:

37.If 'S' and 'T' are two different numbers on the number liine, is S + T equal to 0? (1) The distance between S and 0 is the same as the distance between T and 0. (2) 0 is between S and T

What does the tern between in the stmt. 2 Mean .. Does that mean exactly in the middle or some where between S and T. Please explain What does between mean in terms of GMAT.

Thanks -H

I think that it means 0 lies between S and T on the number line: S 0 T The answer is C?

Re: GMAT PREP (DS) [#permalink]
27 Nov 2012, 18:06

Very glad to know that this is one of the three questions so far on this 600 Level (is it really 600 Level? wonder what 700 level look like) Absolute Value section.

Bunuel wrote:

LM wrote:

Please explain....

If s and t are two different numbers on the number line, is s + t = 0 ?

Note: "the distance between x and y on the number line equals to z" always can be expressed as |x-y|=z.

Given s\neq{t}. Q: s+t=0? OR is s=-t

(1) Distance between s and 0 is the same as distance between t and 0 --> |s-0|=|t-0| --> |s|=|t|. As s\neq{t}, then s=-t. Sufficient.

(2) 0 is between s and t --> 0 is somewhere between s and t on the number line. Not sufficient.

Re: If s and t are two different numbers on the number line, is [#permalink]
10 May 2013, 08:13

I read between as middle. Isnt the word between confusing??? _________________

I've failed over and over and over again in my life and that is why I succeed--Michael Jordan Kudos drives a person to better himself every single time. So Pls give it generously Wont give up till i hit a 700+

Re: If s and t are two different numbers on the number line, is [#permalink]
13 May 2013, 02:26

Bunuel wrote:

rajathpanta wrote:

I read between as middle. Isnt the word between confusing???

You mean you read "between" as "middle" in "distance between t and 0"? What does it means then?

yup Silly me. over-read it. _________________

I've failed over and over and over again in my life and that is why I succeed--Michael Jordan Kudos drives a person to better himself every single time. So Pls give it generously Wont give up till i hit a 700+

Re: If s and t are two different numbers on the number line, is [#permalink]
26 Jun 2013, 07:58

If s and t are two different numbers on the number line, is s + t = 0 ?

(1) Distance between s and 0 is the same as distance between t and 0 (2) 0 is between s and t

This one tricked me a bit. For some reason I assumed that "different numbers" could refer to two of the same numbers on the number line (i.e. a=3 and b=3) It was a foolish assumption.

(1) Distance between s and 0 is the same as distance between t and 0

If s and t are different numbers on the number line, but they are equidistant from 0, the only possible arrangement is s=-t or t=-s. For example:

-3 and 3 are different numbers and are equidistant from zero. |s|=|t| -3 and 4 are different numbers but are NOT equidistant from zero . |s|≠|t| SUFFICIENT

(2) 0 is between s and t

This tells us nothing about the absolute values of s, t. All it tells us is that s is positive and t is negative or s is negative and t is positive. For example:

-3<0<3 (zero is in between and s+t = 0) -3<0<4 (zero is in between and s+t ≠ 0) INSUFFICIENT

(A)

gmatclubot

Re: If s and t are two different numbers on the number line, is
[#permalink]
26 Jun 2013, 07:58