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In which year was Chris born? (1) Chris’s brother, Kevin, who is 5 yea

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Math Expert
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In which year was Chris born? (1) Chris’s brother, Kevin, who is 5 yea  [#permalink]

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New post 29 Oct 2018, 05:00
00:00
A
B
C
D
E

Difficulty:

  25% (medium)

Question Stats:

84% (00:40) correct 16% (00:42) wrong based on 29 sessions

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Re: In which year was Chris born? (1) Chris’s brother, Kevin, who is 5 yea  [#permalink]

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New post 29 Oct 2018, 05:10
1
From statement 1:

C = k+5.

kevin was born in 1990.
Then Chris was born in 1995.
Sufficient.

From statement 2:

In 2007, Kevin turned 17 years old. Then Kevin was born in 1990. But no relation between Chris and Kevin or any info.
Insufficient.

A is the answer.
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Re: In which year was Chris born? (1) Chris’s brother, Kevin, who is 5 yea  [#permalink]

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New post 29 Oct 2018, 05:14
Bunuel wrote:
In which year was Chris born?

(1) Chris’s brother, Kevin, who is 5 years older than Chris, was born in 1990.
(2) In 2007, Kevin turned 17 years old.


Simple(little tricky) question,

(1) We know that Kevin is 5 years older than Chris, and Kevin was born in 1990. ==> 1990 + 5 ==> 1995 (Chris' Birth-year)
(2) Here we talk about Kevin's age, not Chris. So alone itself statement is not sufficient.

Answer is "A"

Correct me if I have a flaw in explanation.
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Re: In which year was Chris born? (1) Chris’s brother, Kevin, who is 5 yea   [#permalink] 29 Oct 2018, 05:14
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