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D01-28
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yoloninja
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Joined: 09 Jul 2020
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D01-28 [#permalink] New post  09 Jul 2020, 13:21
I think this is a high-quality question and I agree with explanation. Hello, i would like to ask why we cannot solve it like this?

A did 2/10 of the job=1/5 means 4/5 of the job is remaining

A+B both did ->3/5 of the job means 2/5 of the 4/5 of the job is remaining

2/5*4/5=8/25 of the job is remaining and not 1/5=5/25 of the job.

and if we put this into the final equation, tells a different story.

Can someone tell me why my logic is wrong?
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Re D01-28 [#permalink] New post  11 Sep 2020, 07:24
I think this is a high-quality question and I agree with explanation.
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drx703ba
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Re D01-28 [#permalink] New post  02 Oct 2020, 04:03
I think this is a high-quality question and I agree with explanation.
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aussieMBA
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Re D01-28 [#permalink] New post  27 Oct 2020, 20:37
I think this is a high-quality question and I agree with explanation.
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ravish844
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D01-28 [#permalink] New post  16 Mar 2021, 10:03
I think this is a good-quality question and I agree with explanation.

Hi,
This is an excellent question.
However, in the GMAT Club tests, it is showing as a difficulty: 700-level PS question. While in the Forum discussion, it is showing as a difficulty: 600-700 level PS question.

Can you confirm the level of this question and rectify this? Or is there any reason for this discrepancy in the question level, which I am not able to see/understand?
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D01-28 [#permalink]
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