GMAT Problem Solving
Home > GMAT Test > GMAT Problem Solving Questions
Next steps
- Use your browser's back button to return to your test results.
- Do more GMAT Problem Solving Questions.
Source: GWD
Level: 0
The operation Θ is defined by 
for all nonzero numbers x and y. If z is a number greater than 1, which of the following must be true?
I. zΘ(-z) = 0
II.
III. 
- A I only
- B I and II only
- C I and III only
- D II and III only
- E I, II, and III