# CAT Quant Practice Problems

Question: If $y = f\left( x \right){\rm{ }}and{\rm{ }}f\left( x \right) = \left( {1--x} \right)/\left( {1 + {\rm{ }}x} \right),$ which of the following is true?
1. $f\left( {2x} \right) = {\rm{ }}f\left( x \right)--1$
2. $x = {\rm{ }}f\left( {2y} \right)--1$
3. $f\left( {1/x} \right) = f\left( x \right)$
4. $x{\rm{ }} = {\rm{ }}f\left( y \right)$

Correct Option:4

## CAT Quant Questions with Video Solutions

CAT Quant Practice Problems