CR from MGMAT

Expert replies

jrikhraj: Junior | Next Rank: 30 Posts; Posts: 17; Joined: Wed Jun 23, 2010 8:02 pm

by jrikhraj » Sun Sep 12, 2010 7:17 am

The number of new cases of tuberculosis diagnosed in Country X increased dramatically this year. The country's news media have speculated that the sharp increase in new cases is the result of the tuberculosis outbreak that occurred in neighboring Country Y last year. Health officials in Country X have therefore proposed that all visitors from Country Y must submit to a medical examination before entering Country X.

Which of the following, if true, most strongly suggests that the proposed medical examinations will NOT help curb the spread of tuberculosis in Country X?

A)Country Z, which also neighbors Country Y, has not experienced an increase in cases of tuberculosis.

B)Current medical technology is not capable of detecting all carriers of tuberculosis.

C)Country X does not have the resources to examine all visitors from Country Y.

D)Tuberculosis is not spread through human contact.

E)Citizens of Country Y will not travel to Country X if the proposal is implemented.

The OA is D. Can some one please guide me?

Source: Beat The GMAT — Critical Reasoning | Sun Sep 12, 2010 7:17 am

ov25: Master | Next Rank: 500 Posts; Posts: 201; Joined: Sat Jul 10, 2010 2:23 pmFollowed by: 1 member; Thanked: 7 times

by ov25 » Sun Sep 12, 2010 10:27 am

you know B and D are the strong contenders...

B) medical technologies cannot detect all the carriers -- if human contact is one of the contacts then it screening can help curb...so does not effect

D) you can guess -- if human contact is not one of the sources of spread...the screening does not necessarily help!

Therefore D

vishalj: Master | Next Rank: 500 Posts; Posts: 104; Joined: Sun Mar 18, 2007 9:03 pm; Thanked: 4 times

by vishalj » Sun Sep 12, 2010 12:11 pm

Someone else posted this question a couple of ago, and I chose B. And was I wrong!!!

Yes, it is D. I was tricked by "all carriers of tuberculosis" which I thought would mean " all types of tuberculosis". Thinking further, even if it were "all types of tuberculosis", the choice would be D. There is an outbreak and the country is quick to examine visitor assuming that Tuberculosis spreads through human contact.

Jim@Grockit: GMAT Instructor; Posts: 641; Joined: Wed Jul 22, 2009 3:07 pmFollowed by: 45 members; Location: Madison, WI; Thanked: 162 times; GMAT Score:760

by Jim@Grockit » Sun Sep 12, 2010 7:11 pm

jrikhraj wrote:The number of new cases of tuberculosis diagnosed in Country X increased dramatically this year. The country's news media have speculated that the sharp increase in new cases is the result of the tuberculosis outbreak that occurred in neighboring Country Y last year. Health officials in Country X have therefore proposed that all visitors from Country Y must submit to a medical examination before entering Country X.

Which of the following, if true, most strongly suggests that the proposed medical examinations will NOT help curb the spread of tuberculosis in Country X?

A)Country Z, which also neighbors Country Y, has not experienced an increase in cases of tuberculosis.

B)Current medical technology is not capable of detecting all carriers of tuberculosis.

C)Country X does not have the resources to examine all visitors from Country Y.

D)Tuberculosis is not spread through human contact.

E)Citizens of Country Y will not travel to Country X if the proposal is implemented.

The OA is D. Can some one please guide me?

Just to add one more thing to the comments above:

It will happen occasionally in CR that more than one answer gives you something that you're looking for. They will still be clear in the instructions, though:

Which of the following, if true, most strongly suggests that the proposed medical examinations will NOT help curb the spread of tuberculosis in Country X?

Choice B definitely weakens the plan, but choice D destroys it.

goyalsau: Legendary Member; Posts: 866; Joined: Mon Aug 02, 2010 6:46 pm; Location: Gwalior, India; Thanked: 31 times

by goyalsau » Sun Sep 12, 2010 9:46 pm

Nice comments Jim,
Destroy it,

You have taken the weakening questions to the next level, Now in future i will definitely look for answers (Complete DESTROYER) in the questions ,Where i am puzzled with the options.

tanviet: Legendary Member; Posts: 1404; Joined: Tue May 20, 2008 6:55 pmFollowed by: 2 members; Thanked: 18 times

by tanviet » Mon Sep 13, 2010 3:22 am

Jim@Grockit wrote:
jrikhraj wrote:The number of new cases of tuberculosis diagnosed in Country X increased dramatically this year. The country's news media have speculated that the sharp increase in new cases is the result of the tuberculosis outbreak that occurred in neighboring Country Y last year. Health officials in Country X have therefore proposed that all visitors from Country Y must submit to a medical examination before entering Country X.

Which of the following, if true, most strongly suggests that the proposed medical examinations will NOT help curb the spread of tuberculosis in Country X?

A)Country Z, which also neighbors Country Y, has not experienced an increase in cases of tuberculosis.

B)Current medical technology is not capable of detecting all carriers of tuberculosis.

C)Country X does not have the resources to examine all visitors from Country Y.

D)Tuberculosis is not spread through human contact.

E)Citizens of Country Y will not travel to Country X if the proposal is implemented.

The OA is D. Can some one please guide me?
Just to add one more thing to the comments above:

It will happen occasionally in CR that more than one answer gives you something that you're looking for. They will still be clear in the instructions, though:

Which of the following, if true, most strongly suggests that the proposed medical examinations will NOT help curb the spread of tuberculosis in Country X?

Choice B definitely weakens the plan, but choice D destroys it.

The correct answer to Weakening question maybe a choice which weakens or destroys the conclusion. If B is weakening, both B and D are correct

please, explain me why B is wrong.

This is basic question and worth studying.

hims: Newbie | Next Rank: 10 Posts; Posts: 4; Joined: Sat Jul 17, 2010 7:02 am

by hims » Mon Sep 13, 2010 3:33 am

Hey Jim,

If I assume that the spread of Tuberculosis is through air and not human contact, option D fails. Any points on this?

Thanks!

GMAT Course Reviews

563 reviews

1168 reviews

431 reviews

359 reviews

147 reviews

5/5

5 Star (563 Reviews)

"Target Test Prep is the closest to the official version of the GMAT exam, about 99% accuracy in terms of the quality and quantity of information. The course has excellently created singular sets of focused lessons and tests for every possible topic that one could come across in the official GMAT exam."

"The TTP course maximizes the efficiency of the time you spend studying. It will take time and effort but I could almost guarantee that if you complete the course exactly as it is laid out you will get an amazing score. They also have a very responsive team willing to help with any questions you might have."

"TTP has two things that I think no other test prep company offers: A teaching approach that reinforces understanding and an attitude that will give you the mental preparedness needed to succeed on the test. TTP gives you a deep understanding of the concept you need to know while teaching you how to think."

Write a Review