Positive integers

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piyush_nitt: Master | Next Rank: 500 Posts; Posts: 424; Joined: Sun Dec 07, 2008 5:15 pm; Location: Sydney; Thanked: 12 times

by piyush_nitt » Fri May 08, 2009 5:10 am

Positive integers x, y, and z are such that x is a factor of y and y is a factor of z, if z even?
a. xz is even
b. y is even

IMO : D

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Source: Beat The GMAT — Data Sufficiency | Fri May 08, 2009 5:10 am

aj5105: Legendary Member; Posts: 1169; Joined: Sun Jul 06, 2008 2:34 amFollowed by: 1 member; Thanked: 25 times

by aj5105 » Fri May 08, 2009 9:32 am

Yup, looks like (D)

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