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Renfield should not be promoted to the management position. His performance as a member of our staff, while exemplary, has shown little of his management ability. Everything he has said and done up to this point has been directed toward obtaining this promotion rather than showing us that he has the ability to manage other people. Therefore, we cannot trust that he will be an effective manager once in the position.

Which one of the following is an assumption on which the argument relies?


(A) The duties of a staff member do not in and of themselves prove that the person is capable of managing people.

(B) Renfield cannot be trusted even with his current duties as a member of the staff.

(C) When Renfield obtains the promotion, he does not intend to act in the best interest of the staff under his management.(D) The staff will not follow Renfield’s lead as a manager once he receives the promotion.

(E) Managers rarely are promoted from the staff because they are unable to handle the higher level of responsibility.



Hi KarishmaB GMATNinja AjiteshArun DmitryFarber, Please help out:

The question is asking for necessary assumption. Below is my understanding of the stimulus, please review:

Premise: Renfield performance as a member of our staff + exemplary ---> ~ shown management ability

Conclusion: If PROMOTED ---> ~ he will be an effective manage

Okay so, the GAP should state: If Renfield has't shown Management skills as ''member of our staff'', he will not show it when promoted.

But Ans of this Question states something entirely different. Is my understanding incorrect? Am i being too mathematical? Is the process correct for GMAT assumption question?

In many cases, a conclusion can have many assumptions so do not go looking for only one specific statement. If a gap comes to mind while reading the question, great! But do not close yourself to other options. Look for something that must be necessarily true for the conclusion.

Negate option (A).

(A) The duties of a staff member do not in and of themselves prove that the person is capable of managing people.
Negated (A): The duties of a staff member DO in and of themselves prove that the person is capable of managing people.

We know that he performed his duties as a staff member very well. If that proves that he is capable of managing other people then our conclusion fails.

Hence (A) works.
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Renfield should not be promoted to the management position. His performance as a member of our staff, while exemplary, has shown little of his management ability. Everything he has said and done up to this point has been directed toward obtaining this promotion rather than showing us that he has the ability to manage other people. Therefore, we cannot trust that he will be an effective manager once in the position.

Which one of the following is an assumption on which the argument relies?

(A) The duties of a staff member do not in and of themselves prove that the person is capable of managing people. - CORRECT. If negated i.e. if proved then conclusion false apart. Then one needs to trust Renfield.

(B) Renfield cannot be trusted even with his current duties as a member of the staff. - WRONG. Current duties may involve many other aspects where he is exemplary.

(C) When Renfield obtains the promotion, he does not intend to act in the best interest of the staff under his management. - WRONG. Intention is irrelevant.

(D) The staff will not follow Renfield’s lead as a manager once he receives the promotion. - WRONG. Staff following or not is irrelevant at this juncture.

(E) Managers rarely are promoted from the staff because they are unable to handle the higher level of responsibility. - WRONG. What has been a trend in the past is not affecting the conclusion.

Answer A.
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