# CAT Quant Practice Problems

Question: Given odd positive integers x, y and z, which of the following is not necessarily true?
1. ${x^2}{y^2}{z^2}$ is odd
2. $3\left( {{x^2} + {y^3}} \right){z^2}$ is even.
3. $5x + y + {z^4}$ is odd
4. ${z^2}\left( {\frac{{{x^2} + {y^2}}}{2}} \right)$ is even

Correct Option:4

## CAT Quant Questions with Video Solutions

CAT Quant Practice Problems