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16 May 2025, 00:30
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
80% (01:10) correct
20%
(00:50)
wrong
based on 65
sessions
History
Date
Time
Result
Not Attempted Yet
Two men, Phillip and Omar, start at the same time working separately on similar equally sized jobs, which of the men completes the job first?
(1) Omar takes 6 hours do to the entire job.
(2) Phillip works at a constant rate only stopping for one hour during which he could have done 1/5 of the job.
Gentle note to all experts and tutors: Please refrain from replying to this question until the Official Answer (OA) is revealed. Let students attempt to solve it first. You are all welcome to contribute posts after the OA is posted. Thank you all for your cooperation!
(1) Omar takes 6 hours do to the entire job.
(2) Phillip works at a constant rate only stopping for one hour during which he could have done 1/5 of the job.
Gentle note to all experts and tutors: Please refrain from replying to this question until the Official Answer (OA) is revealed. Let students attempt to solve it first. You are all welcome to contribute posts after the OA is posted. Thank you all for your cooperation!
16 May 2025, 01:16
Kudos
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Let’s determine who, Phillip or Omar, completes an equal-sized job first.
We compare completion times.
Combined statements provide Omar’s time and Phillip’s rate, enabling time comparison.
Answer: C
We compare completion times.
| Source | Information | Sufficiency |
| Stem | Equal jobs, start simultaneously | Insufficient, no rates |
| Statement 1 | Omar: 6 hours | Insufficient, no Phillip info |
| Statement 2 | Phillip: 1-hour = \(\frac{1}{5}\) job; ie. Total Job in 5 hours | Insufficient, no Omar info |
| Statements 1 + 2 | Omar: 6 hours; Phillip: 5 hours | Sufficient, compare times |
Combined statements provide Omar’s time and Phillip’s rate, enabling time comparison.
Answer: C
16 May 2025, 05:23
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Given: start at the same time working separately on similar equally sized jobs
Which of the men completes the job first?
S1
Omar take 6hrs
No info for time taken by Philip
Insufficient
S2
Philip could have completed 1/5of work in 1hr, it means he can complete the job in 5hrs
Also, he took a break of 1hr, which makes total time taken by him 6hrs
No info for time taken by Omar
Insufficient
Together, we know both did the job in 6hrs. Answer C
Note, based on my understanding, by definition DS questions should give 1 answer only. Here "no one" while a fair answer might be confusing in GMAT and can lead to answer being chosen to be E
Which of the men completes the job first?
S1
Omar take 6hrs
No info for time taken by Philip
Insufficient
S2
Philip could have completed 1/5of work in 1hr, it means he can complete the job in 5hrs
Also, he took a break of 1hr, which makes total time taken by him 6hrs
No info for time taken by Omar
Insufficient
Together, we know both did the job in 6hrs. Answer C
Note, based on my understanding, by definition DS questions should give 1 answer only. Here "no one" while a fair answer might be confusing in GMAT and can lead to answer being chosen to be E
Bunuel
