himu wrote:If y is odd, is z odd?
xyz = odd
yz = x
If the problem is not restricted to integers:
All of the conditions are satisfied if x=1, y=1, and z=1.
In this case, z is odd.
All of the conditions are satisfied if x=1, y=3, and z=1/3.
In this case, z is not odd.
The correct answer is
E.
Private tutor exclusively for the GMAT and GRE, with over 20 years of experience.
Followed here and elsewhere by over 1900 test-takers.
I have worked with students based in the US, Australia, Taiwan, China, Tajikistan, Kuwait, Saudi Arabia -- a long list of countries.
My students have been admitted to HBS, CBS, Tuck, Yale, Stern, Fuqua -- a long list of top programs.
As a tutor, I don't simply teach you how I would approach problems.
I unlock the best way for YOU to solve problems.
For more information, please email me (Mitch Hunt) at
[email protected].
Student Review #1
Student Review #2
Student Review #3