# CAT Quant Practice Problems

Question: For which value of k does the following pair of equations yield a unique solution of x such that the solution is positive?

$\begin{array}{l}{x^2} - {y^2} = 0\\{\left( {x - k} \right)^2} + {y^2} = 1\end{array}$

1. 2
2. 0
3. $\sqrt 2$
4. $- \sqrt 2$

Correct Option:3

## CAT Quant Questions with Video Solutions

CAT Quant Practice Problems