Positive integers

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Positive integers

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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by aj5105 » Fri May 08, 2009 9:32 am
Yup, looks like (D)