social security

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j_shreyans: Legendary Member; Posts: 510; Joined: Thu Aug 07, 2014 2:24 amFollowed by: 5 members; Thanked: 3 times

by j_shreyans » Tue Sep 16, 2014 10:51 pm

Unlike a funded pension system, in Which contributions are invested to pay future beneficiaries, a
pay-as-you-go approach is the foundation of Social Security.

(A) a pay-as-you-go approach is the foundation of Social Security
(B) the foundation of Social Security is a pay-as-you-go approach
(C) the approach of Social Security is pay-as-you-go
(D) Social Security's approach is pay-as-you-go
(E) Social Security is founded on a pay-as-you-go approach

OA E

can you pls explain why E and why notD[/b]

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Source: Beat The GMAT — Sentence Correction | Tue Sep 16, 2014 10:51 pm

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by [email protected] » Tue Sep 16, 2014 11:46 pm

Hi j_shreyans,

The word "Unlike" at the beginning of the sentence is a "trigger word" for a Comparison. So we must compare LIKE things and do so in Parallel format (if possible).

When dealing with a comparison, you have MUST be very strict with the wording that you use:

For example, you can compare....
A person to another person (or several people)
A person's idea to another person's idea (or several ideas)
A system to another system (or several systems)
The approach of a system to the approach of another system
Etc.

1) Comparison: The first part of the comparison is "a funded pension system", so we need the second part of the comparison to present something that is like a pension system. There's only one answer that matches. "A","C" and "D" mention an approach, "B" mentions the foundation - none of these are "a pension system"

Final Answer: E

GMAT assassins aren't born, they're made,
Rich

Contact Rich at [email protected]

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AnjaliOberoi: Master | Next Rank: 500 Posts; Posts: 223; Joined: Thu Dec 05, 2013 4:22 amFollowed by: 8 members; Thanked: 12 times

by AnjaliOberoi » Wed Sep 17, 2014 12:50 am

(A) a pay-as-you-go approach is the foundation of Social Security
(B) the foundation of Social Security is a pay-as-you-go approach
(C) the approach of Social Security is pay-as-you-go
(D) Social Security's approach is pay-as-you-go
(E) Social Security is founded on a pay-as-you-go approach - correct. Unlike X, Y fits in this option only

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