The point $Q$ is the image of the point $P(1,5)$ about the line $y=x$ and $R$ is the image of the point $Q$ about the line $y=-x$. The circumcenter of the $\Delta P Q R$ is

The point

$Q$ is the image of the point

$P(1,5)$ about the line

$y=x$ and

$R$ is the image of the point

$Q$ about the line

$y=-x$ . The circumcenter of the

$\Delta P Q R$ is
(A)

$(5,1)$
(B)

$(-5,1)$
(C)

$(1,-5)$
(D)

$(0,0)$

Ans(D)

The point $Q$ is the image of the point $P(1,5)$ about the line $y=x$ and $R$ is the image of the point $Q$ about the line $y=-x$ . The circumcenter of the $\Delta P Q R$ is