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26 Nov 2007, 18:19
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If S = {2, 3, x, y}, what is the value of x + y?
(1) x and y are prime numbers.
(2) 3, x, and y are consecutive odd integers in ascending order.
(1) x and y are prime numbers.
(2) 3, x, and y are consecutive odd integers in ascending order.
26 Nov 2007, 18:21
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sevenplus
6. If S = {2, 3, x, y}, what is the value of x + y?
(1) x and y are prime numbers.
(2) 3, x, and y are consecutive odd integers in ascending order.
(1) x and y are prime numbers.
(2) 3, x, and y are consecutive odd integers in ascending order.
1) x and y could be any of the primes. Insuff.
2) 3, 5, 7... odd consec integers in ascending order. Since they are consecutive we cant have 3, 9, 11, etc...
must be 3, 5, 7. 5+7=12. Suff.
Am i missing somethin really basic?
owell i say B.
jlgdr
Joined: 06 Sep 2013
Last visit: 24 Jul 2015
Posts: 1,327
Given Kudos: 355
Concentration: Finance
Schools: Wharton '17 (A) HBS '17 (WA$)
06 Oct 2013, 09:27
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sevenplus
6. If S = {2, 3, x, y}, what is the value of x + y?
(1) x and y are prime numbers.
(2) 3, x, and y are consecutive odd integers in ascending order.
(1) x and y are prime numbers.
(2) 3, x, and y are consecutive odd integers in ascending order.
Chose (C) but i'm afraid I might be wrong since I've read many of you chose (B)
My reasoning? 3,x, and y are consecutive odd integers in ascending order. When they say in ascending order do they mean literally in the same order as they state them (3,x, and y) or just in ascending order but could be x,3,y or 3,x,y etc...? For me it isn't clear but what do you guys think?
