Option B or Option D?

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Dean Jones: Master | Next Rank: 500 Posts; Posts: 239; Joined: Thu Oct 28, 2010 8:40 amFollowed by: 2 members; Location: India; Thanked: 5 times; GMAT Score:690

by Dean Jones » Sat Jul 09, 2011 2:22 am

Hi friends,

Just wanted to know that whether there is any likelihood that a correct answer in GMAT lies mostly in Option B and Option D and an incorrect answer lies mostly in Option E.

Please share your thoughts.

Regards
Deano.

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Source: Beat The GMAT — GMAT Strategy | Sat Jul 09, 2011 2:22 am

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Ian Stewart: GMAT Instructor; Posts: 2623; Joined: Mon Jun 02, 2008 3:17 amFollowed by: 355 members; Location: Montreal; Thanked: 1090 times; GMAT Score:780

by Ian Stewart » Sat Jul 09, 2011 6:17 am

I checked a set of about 600 official GMAT Quant questions, and statistically no answer choice is correct more often than another; each is correct 20% of the time. There's also an official GMAC report that says that they control for answer position. So to answer your question, no, B and D are no more likely to be correct than E.

For online GMAT math tutoring, or to buy my higher-level Quant books and problem sets, contact me at ianstewartgmat at gmail.com

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Dan@VinciaPrep: Master | Next Rank: 500 Posts; Posts: 384; Joined: Sun Nov 01, 2009 9:54 amFollowed by: 13 members; Location: Paris; Thanked: 92 times

by Dan@VinciaPrep » Mon Jul 11, 2011 12:47 am

I agree with Ian.

In addition, and you might already know this, if you're backsolving it's good to start with either option B,C, or D.

If you start with B then go to D next. Afterward you should know the answer

If you start with C then you should go to either A or E depending on whether the answer should be smaller or larger.

Cheers

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I'm a private tutor in Paris, I provide online and in person consulting for the GMAT and MBA application essays.
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