GRE Quantitative Comparison Strategy

You compare two quantities and decide which is greater, whether they are equal, or if the relationship cannot be determined.

Key Points

1. Simplify both quantities
2. Try different numbers including zero, negatives and fractions
3. If the relationship changes, choose cannot be determined
4. Do not do unnecessary calculation
5. Compare, do not solve

Expert Tip

Always test negative numbers and fractions.