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16 Sep 2014, 01:04
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C
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Difficulty:
5%
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Question Stats:
93% (00:46) correct
7%
(00:44)
wrong
based on 218
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If a certain job started in August and ended in September of the same year, did it take more than 30 days to complete?
(1) The job started on August 25.
(2) The job ended on September 20.
(1) The job started on August 25.
(2) The job ended on September 20.
16 Sep 2014, 01:04
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Official Solution:
If a certain job started in August and ended in September of the same year, did it take more than 30 days to complete?
(1) The job started on August 25.
If the job ended on September 1, it took less than 30 days. However, if it ended on September 30, it took more than 30 days. Not sufficient.
(2) The job ended on September 20.
If the job started on August 31, it took less than 30 days. However, if it started on August 1, it took more than 30 days. Not sufficient.
(1)+(2) We know the exact dates of start and finish, and thus can answer the question. Sufficient.
Answer: C
If a certain job started in August and ended in September of the same year, did it take more than 30 days to complete?
(1) The job started on August 25.
If the job ended on September 1, it took less than 30 days. However, if it ended on September 30, it took more than 30 days. Not sufficient.
(2) The job ended on September 20.
If the job started on August 31, it took less than 30 days. However, if it started on August 1, it took more than 30 days. Not sufficient.
(1)+(2) We know the exact dates of start and finish, and thus can answer the question. Sufficient.
Answer: C
22 Oct 2023, 12:07
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I've revised the question and solution, incorporating additional details for improved clarity. I trust this makes it more comprehensible.
