GMAT Club

Oct 10 Quant Question | Difficulty Level: Hard | Source: GMAT Club Tests

A qualified worker can dig a well in 5 hours. The worker invites 2 apprentices to help, each of whom works at a rate of 3/4 as fast as the qualified worker, and 2 trainees, each of whom works at a rate of 1/5 as fast as the qualified worker. If the five-person team works together to dig the same well, approximately how long will it take to complete the job?

A. 1 hour 29 minutes
B. 1 hour 39 minutes
C. 1 hour 44 minutes
D. 1 hour 49 minutes

NOTE: Option E is not added in options due to YouTube's limitation of adding only 4 answer choices. Option E is incorrect. Choose the answer from the rest 4 choices.

✅ Answer and Explanation: gmatclub.com/forum/a-qualified-worker-digs-a-well-…

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2 hours ago | [YT] | 0

GMAT Club

Oct 10 Verbal Question | Difficulty Level: Hard | Source: 1000 Series

Helen: It was wrong of my brother Mark to tell our mother that the reason he had missed her birthday party the evening before was that he had been in a traffic accident and that by the time he was released from the hospital emergency room the party was long over. Saying something that is false can never be other than morally wrong, and there had been no such accident—Mark had simply forgotten all about the party.

The justification Helen offers for her judgment of Mark’s behavior is most vulnerable to criticism on the grounds that the justification

(B) confuses having identified one cause of a given effect with having eliminated the possibility of there being any other causes of that effect

(C) judges behavior that is outside an individual’s control according to moral standards that can properly be applied only to behavior that is within such control

(D) relies on an illegitimate appeal to pity to obscure the fact that the conclusion does not logically follow from the premises advanced

(E) attempts to justify a judgment about a particular case by citing a general principle that stands in far greater need of support than does the particular judgment

NOTE: Option A is not added in options due to YouTube's limitation of adding only 4 answer choices. Option A is incorrect. Choose the answer from the rest 4 choices.

✅ Answer and Explanation: gmatclub.com/forum/helen-it-was-wrong-of-my-brothe…

2 hours ago | [YT] | 1

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The 30-Day Critical Reasoning Blueprint: From Guessing to Certainty gmatclub.com/forum/the-30-day-critical-reasoning-b…

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20 hours ago | [YT] | 5

GMAT Club

Oct 9 Quant Question | Difficulty Level: Medium | Source: GMAT Club Tests

How many positive three-digit integers are not divisible by 3 ?

A. 599
B. 600
C. 601
D. 602

NOTE: Option E is not added in options due to YouTube's limitation of adding only 4 answer choices. Option E is incorrect. Choose the answer from the rest 4 choices.

✅ Answer and Explanation: gmatclub.com/forum/how-many-positive-three-digit-i…


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1 day ago | [YT] | 1

GMAT Club

Oct 9 Verbal Question | Difficulty Level: Hard | Source: 1000 Series

If the proposed tax reduction package is adopted this year, the library will be forced to discontinue its daily story hours for children. But if the daily story hours are discontinued, many parents will be greatly inconvenienced. So the proposed tax reduction package will not be adopted this year.

Which one of the following, if assumed, allows the argument’s conclusion to be properly drawn?

(A) Any tax reduction package that will not force the library to discontinue daily story hours will be adopted this year.

(B) Every tax reduction package that would force the library to discontinue daily story hours would greatly inconvenience parents.

(C) No tax reduction package that would greatly inconvenience parents would fail to force the library to discontinue daily story hours.

(D) No tax reduction package that would greatly inconvenience parents will be adopted this year.

NOTE: Option E is not added in options due to YouTube's limitation of adding only 4 answer choices. Option E is incorrect. Choose the answer from the rest 4 choices.

✅ Answer and Explanation: gmatclub.com/forum/if-the-proposed-tax-reduction-p…

1 day ago | [YT] | 1

GMAT Club

Oct 8 Quant Question | Difficulty Level: Medium | Source: GMAT Club Tests

Out of 25 Gryffindor students, 16 play chess, and 11 play quidditch. How many of Gryffindor students play both chess and quidditch ?

S1) 3 Gryffindor students play neither chess, nor quidditch.

S2) For every 3 Gryffindor students who play neither chess, nor quidditch, there are 5 Gryffindor students who play both chess and quidditch.

A) Statement 1 Alone is Sufficient but Statement 2 Alone is Not
B) Statement 2 Alone is Sufficient but Statement 1 Alone is Not
C) Statement 1 and 2 Taken Together are Sufficient but Not Alone
D) Each Statement ALONE is Sufficient

NOTE: Option E is not added in options due to YouTube's limitation of adding only 4 answer choices. Option E is incorrect. Choose the answer from the rest 4 choices.

✅ Answer and Explanation: gmatclub.com/forum/out-of-25-gryffindor-students-1…

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2 days ago | [YT] | 3

GMAT Club

Oct 8 Verbal Question | Difficulty Level: Medium | Source: 1000 Series

Record companies defend their substitution of laser-read compact discs (CD’s) for the much less expensive traditional long-playing vinyl records in their catalogs by claiming that the audio market is ruled by consumer demand for ever-improved sound reproduction rather than by record manufacturers’ profit-motivated marketing decisions. But this claim cannot be true, because if it were true, then digital audiotape, which produces even better sound than CD’s, would be commercially available from these same record companies, but it is not.

Which of the following, if true, best explains how the record companies’ claim about the nature of the audio reproduction market could be true and digital audiotape nevertheless be unavailable for the commercial market?

(A) Most consumers prefer audiotape to long-playing records or CD’s because of the tape’s durability and compactness.

(B) Prototypes of digital audiotape have been used to make master tapes of some performances in recording studios.

(C) The manufacturing technology that underlies the commercial production of CD’s requires equipment very similar to that needed for commercial production of digital audiotape.

(D) Record companies have not yet solved several quality-control problems that have beset attempts to produce digital audiotape in commercial quantities.

NOTE: Option E is not added in options due to YouTube's limitation of adding only 4 answer choices. Option E is incorrect. Choose the answer from the rest 4 choices.

✅ Answer and Explanation: gmatclub.com/forum/record-companies-defend-their-s…

2 days ago | [YT] | 0

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2 days ago | [YT] | 4

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2 days ago | [YT] | 5

GMAT Club

Oct 7 Quant Question | Difficulty Level: Hard | Source: GMAT Club Tests

In a company 60% of the employees earn less than $50,000 a year, 60% of the employees earn more than $40,000 a year, 11% of the employees earn $43,000 a year and 5% of the employees earn $49,000 a year. What is the median salary for the company?

A. 43.000
B. 45.500
C. 46.000
D. 49.000

NOTE: Option E is not added in options due to YouTube's limitation of adding only 4 answer choices. Option E is incorrect. Choose the answer from the rest 4 choices.

✅ Answer and Explanation: gmatclub.com/forum/in-a-company-60-of-the-employee…

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3 days ago | [YT] | 2