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DS: is a=0 ? (1) a=0; (2) a=1;
My answer is A, however, my friend said the answer should be D. Her explanation is that, if a=1, then is sufficient to conclude that 'a=0' is incorrect.
I checked the definition in OG, but I still do not understand...
So please tell me. Is A or D, and why?
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Still interested in this question? Check out the "Best Topics" block below for a better discussion on this exact question, as well as several more related questions.
My answer is A, however, my friend said the answer should be D. Her explanation is that, if a=1, then is sufficient to conclude that 'a=0' is incorrect.
I checked the definition in OG, but I still do not understand...
So please tell me. Is A or D, and why?
I would also agree with D. These type of "is" questions or Yes/No questions, it can only be insufficient if it is ambiguous. From what you have given us, both answers are definite, 1 being Yes and 2 being No. Unless there is something missing?
My answer is A, however, my friend said the answer should be D. Her explanation is that, if a=1, then is sufficient to conclude that 'a=0' is incorrect.
I checked the definition in OG, but I still do not understand...
So please tell me. Is A or D, and why?
I would also agree with D. These type of "is" questions or Yes/No questions, it can only be insufficient if it is ambiguous. From what you have given us, both answers are definite, 1 being Yes and 2 being No. Unless there is something missing?
I made the question to simplify the view. DS like this looks so weird, since I did not get it.
Thank you salr15.
My answer is A, however, my friend said the answer should be D. Her explanation is that, if a=1, then is sufficient to conclude that 'a=0' is incorrect.
I checked the definition in OG, but I still do not understand...
So please tell me. Is A or D, and why?
its D but the question is poor. in DS question you wont get questions with different answers though each statement is sufficient.
1: a = 0. so suff.
2: a = 1. also suff.
from 1&2 above, a = 0 and 1. a has two answers, which is not possible in gmat DS.
My answer is A, however, my friend said the answer should be D. Her explanation is that, if a=1, then is sufficient to conclude that 'a=0' is incorrect.
I checked the definition in OG, but I still do not understand...
So please tell me. Is A or D, and why?
its D but the question is poor. in DS question you wont get questions with different answers though each statement is sufficient.
1: a = 0. so suff. 2: a = 1. also suff.
from 1&2 above, a = 0 and 1. a has two answers, which is not possible in gmat DS.
Agree with Himalayan, its a poorly written question. Not GMAT style.
My answer is A, however, my friend said the answer should be D. Her explanation is that, if a=1, then is sufficient to conclude that 'a=0' is incorrect.
I checked the definition in OG, but I still do not understand...
So please tell me. Is A or D, and why?
its D but the question is poor. in DS question you wont get questions with different answers though each statement is sufficient.
1: a = 0. so suff. 2: a = 1. also suff.
from 1&2 above, a = 0 and 1. a has two answers, which is not possible in gmat DS.
Agree with Himalayan, its a poorly written question. Not GMAT style.
DEFINITELY not. You will NEVER see a question where the two statements come out to different solutions. Think carefully about that as you do real problems from the OG or other sources. You will notice the pattern if you're looking out for it.
I just finished GMAT test yesterday: PS 51, Verbal 35, Score 710.
Luckly, I had asked this question before the test, because I met an exectly same type of question. According to the score, all of you are right.
Thanks & regard.
CONGRATULATIONS! That's a GREAT score.
Can you go into more detail a little about the type of question you got? I'm curious how it looked. You don't have to repeat the question - that's obviously not allowed - but how it related to this post.
I just finished GMAT test yesterday: PS 51, Verbal 35, Score 710.
Luckly, I had asked this question before the test, because I met an exectly same type of question. According to the score, all of you are right.
Thanks & regard.
CONGRATULATIONS! That's a GREAT score.
Can you go into more detail a little about the type of question you got? I'm curious how it looked. You don't have to repeat the question - that's obviously not allowed - but how it related to this post.
In addition, my experience for math:
(1) 2 minutes for 1 question is long enough to calculate the question twice; if I can, do it in a different way again.
(2) Pay 100% attention to the end of the question, GMAT usually does not ask what you expected.
(3) I shall make mistake if I do not understand the question well.
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.