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17 Mar 2012, 18:51
Kudos
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B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
69% (01:03) correct
31%
(00:54)
wrong
based on 967
sessions
History
Date
Time
Result
Not Attempted Yet
In what year was Ellen born?
(1) Ellen’s brother Pete, who is 1 1/2 years older than Ellen, was born in 1956.
(2) In 1975 Ellen turned 18 years old.
(1) Ellen’s brother Pete, who is 1 1/2 years older than Ellen, was born in 1956.
(2) In 1975 Ellen turned 18 years old.
27 Dec 2014, 12:35
Kudos
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Hi All,
These types of DS questions are more a test of your critical thinking skills than a test of your math skills. While relatively rare on Test Day, you should keep an eye out for prompts that offer phrases such as "X is 1.5 years older than Y" (beyond the idea that this is a weird piece of information to offer, it also means that knowing one birth YEAR does NOT necessarily mean that we know the OTHER).
Be thorough with your thinking (a bit of cynicism will likely help) and always remember that the GMAT is a CRITICAL THINKING test that involves Quant and Verbal skills; it is NOT, in-and-of-itself, a "math test" and a "vocabulary test."
Many questions are easy to get correct on the GMAT, but they're also easy to miss if you're moving too fast and not thinking critically.
GMAT assassins aren't born, they're made,
Rich
These types of DS questions are more a test of your critical thinking skills than a test of your math skills. While relatively rare on Test Day, you should keep an eye out for prompts that offer phrases such as "X is 1.5 years older than Y" (beyond the idea that this is a weird piece of information to offer, it also means that knowing one birth YEAR does NOT necessarily mean that we know the OTHER).
Be thorough with your thinking (a bit of cynicism will likely help) and always remember that the GMAT is a CRITICAL THINKING test that involves Quant and Verbal skills; it is NOT, in-and-of-itself, a "math test" and a "vocabulary test."
Many questions are easy to get correct on the GMAT, but they're also easy to miss if you're moving too fast and not thinking critically.
GMAT assassins aren't born, they're made,
Rich
General Discussion
17 Mar 2012, 19:02
Kudos
Bookmarks
My Answer - B (Choice 2 alone is sufficient)
1.) E = P -3/2, and P = 1956, => E was born in either 1957 or 1958 depending on the month of P's Month of birth, (Not sufficient)
2.) E = 18 yrs Old in 1975. Clearly she was born in 1975 - 18 = 1957, regardless of month of birth.
Choice B
1.) E = P -3/2, and P = 1956, => E was born in either 1957 or 1958 depending on the month of P's Month of birth, (Not sufficient)
2.) E = 18 yrs Old in 1975. Clearly she was born in 1975 - 18 = 1957, regardless of month of birth.
Choice B
