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Re: Data Sufficiency Query for 6 Questions [#permalink]

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20 Jul 2009, 07:16

For this one I would have picked D (each stmnt suff)

At least, i know that (1) is suff. if 2 is a factor of m and p it means that m and P are even. we could never have p=m+1. and since m is not a factor of p, the reminder is at least 2.

I don't have a claer explanation why (2) also is sufficient.

what's the OA?

shrutisingh wrote:

for Q1.I got C as the ans.What is the OA?

Taking both stmnts into account you can get m*p as 30*2 i.e mp=60 or 2*2*3*5

since 2<m<p two possible values are m=4 and p=15 or m=6 and p=10 in both cases p/m will yield r as >1.

Re: Data Sufficiency Query for 6 Questions [#permalink]

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20 Jul 2009, 09:32

The answer to Question 1 is 'D'.

GCF of m & p is 2. m < p and m is not a factor of p. Tried with numbers I couldnt find a pair whose remiander is < 2 and also remainder when a number is divided by another is always the HCF of two numbers so 1 is SUFF

Second statement is SUFF which is = 1 in all possible cases, (unless i am missing any particular scenario) LCM is 30 possible numbers are (3,10) remainder 1 (5,6) remainder 1

***********************

The answer to Question 2 is 'C'

vw -v^2 = 0 v(w-v) = 0 v= 0 (or) w=v donno for sure if v= 0 , NOT SUFF

w=2, NOT SUFF

put together , w=2 & w=v, hence v= 2. SUFF to tell that V <> 0

***********************************

The answer to Question 3 is 'C'

is x+ y < 1, both statements are clearly insuff, and then toghether we should be able to tell that the sum is always less than 1.

please confirm this!

*********************************

The answer to Question 4 is 'C'

A :NOT SUFF, Two of the interior anlges are right angles : that leaves us with sum of rest of angles is 180, clearly not enuf to say if one angle is 60 or not B : Not SUFF, if one angle is x and the other angle is 2x, all i am able to deduce is 3x = 360 -(A+D)

Re: Data Sufficiency Query for 6 Questions [#permalink]

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20 Jul 2009, 13:53

Guys ... for the vq question .. answer is A ... I dont know how we can get to know by using the first statement if v can be zero or not.

Let me list down the answers for all questions here:

1. Question 1 : Answer is A 2. Question 2: Answer is A 3. Question 3 : Answer is E 4. Question 4: Answer is E. 5. Question 5: Answer is A 6. Question 6: Answer is B.

Please help me for all of them. Thanks in advance.

Re: Data Sufficiency Query for 6 Questions [#permalink]

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20 Jul 2009, 13:57

Hey skpMatcha ,

Your logic for vw question looks fine to me .. since v cannot be equal to w it has to be zero ..solving the above eqthn...perfect...v(w-v) = 0. what about the rest ones?

Re: Data Sufficiency Query for 6 Questions [#permalink]

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21 Jul 2009, 04:45

Quote:

for Q4

consider stmnt 1:Even if two angles are given as 90 you are not sure about the measure of the remaining angles.Thus 1 is insufficient.

stmnt 2:two of the angles are given.Not sure about the remaining two.Thus 2 is insufficient.

If you combine 1 and 2,you dont know whether they would be the 4 angles separately or both stmnts are taking any angle as common.

Thus E.

hey I have a doubt! clearly A & B are insuff on their own.

combine them together. if two angles are given as 90, and second statement says one angle is double the other. They cant be common angles, because if one is 90(x) and other is 180 (2x), then the 4th angle with be 0.

so it has to be 90 + 90 + x+ 2x = 360 then x will be 60.

Re: Data Sufficiency Query for 6 Questions [#permalink]

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21 Jul 2009, 21:40

pareekpuneet wrote:

Hi All,

PFA the document having all the six questions for DS. Please provide the answer for them so that i can understand the logic for calculation.

Thanks in Advance.

Regards, Aban

pareekpuneet,

Thats not the way to post your questions/problems. If you post in such a way, you wont get the detail explanations and sufficient replies to your questions.

The best way is to post the question individually. If so, you will get many replies and detail disection of your question'.

Also it is not gmat club etiquette to post a buch of questions in a word file. If you are new to the forum, refer to the following link for how to post your questions and revele the OA/OE: etiquette-for-forum-participation-59508.html

Re: Data Sufficiency Query for 6 Questions [#permalink]

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22 Jul 2009, 02:30

skpMatcha wrote:

Quote:

for Q4

consider stmnt 1:Even if two angles are given as 90 you are not sure about the measure of the remaining angles.Thus 1 is insufficient.

stmnt 2:two of the angles are given.Not sure about the remaining two.Thus 2 is insufficient.

If you combine 1 and 2,you dont know whether they would be the 4 angles separately or both stmnts are taking any angle as common.

Thus E.

hey I have a doubt! clearly A & B are insuff on their own.

combine them together. if two angles are given as 90, and second statement says one angle is double the other. They cant be common angles, because if one is 90(x) and other is 180 (2x), then the 4th angle with be 0.

so it has to be 90 + 90 + x+ 2x = 360 then x will be 60.

Please correct me if im wrong.

You have mentioned two of the three cases. The third case can be as below say angle DAB=90 ABC=90, thus angle BCD=45 and angle CDA=135