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Bunuel, may I ask how to draw such fine graphical/geometrical figures and attach them? Is there any post where it is discussed in length?
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Re: Is point A closer to point (1,2) than to point (2,1)? [#permalink]
03 Feb 2013, 12:42

My doubt is The answer to above question is A, but I am not convinced. consider a point on Y = X (1,1) Its distance from (1,2) is 1 unit its distance from (2,1) is 1 unit

For the answer to be A , statement 1 should specifically answer that it is either closer to one of the two points.

Re: Is point A closer to point (1,2) than to point (2,1) ? [#permalink]
03 Feb 2013, 15:22

Hi bunuel I have checked the post prior to posting the question, but it does not addresses my doubt...can you pls help me with the doubt its posted above.

Re: Is point A closer to point (1,2) than to point (2,1) ? [#permalink]
04 Feb 2013, 03:10

Expert's post

Archit143 wrote:

Hi bunuel I have checked the post prior to posting the question, but it does not addresses my doubt...can you pls help me with the doubt its posted above.

Regards Archit

First of all, please post your doubts/questions in the thread which already exists.

As for your question:

Archit143 wrote:

My doubt is The answer to above question is A, but I am not convinced. consider a point on Y = X (1,1) Its distance from (1,2) is 1 unit its distance from (2,1) is 1 unit

For the answer to be A , statement 1 should specifically answer that it is either closer to one of the two points.

Pls corrcct me if i am wrong.

Yes, you are wrong. The question asks whether point A is closer to point (1,2) than to point (2,1). From (1) we have that ANY point on y=x is equidistant from the given points, so the answer to the question is NO.

Re: Is point A closer to point (1,2) than to point (2,1)? [#permalink]
04 Feb 2013, 20:08

Expert's post

Archit143 wrote:

My doubt is The answer to above question is A, but I am not convinced. consider a point on Y = X (1,1) Its distance from (1,2) is 1 unit its distance from (2,1) is 1 unit

For the answer to be A , statement 1 should specifically answer that it is either closer to one of the two points.

Pls corrcct me if i am wrong.

DS questions of this type are often a source of confusion.

There are two types of DS questions: 1. What is the value of x? Here you need to answer the question with one unique value. If you do, the statement(s) is(are) sufficient. Otherwise not. 2. Is x = 4? Here you need to answer the question with either a 'Yes' or a 'No'. Either is acceptable as long as you can take a stand. You could have found that x must be 4 or you could have found that x cannot be 4. If you say 'may be' or 'cannot say', that's when the statement is not sufficient to answer this question.

If you can say that the point will be equidistant from (2, 1) and (1, 2), you can say that 'no, it is not closer to (1, 2)' which is a perfectly acceptable reply. When you say that may be it is closer, may be it is not, that's when the statement is not sufficient.
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