Solution:

You can only find it out if you look closely. The second and the fourth cat are identical. In the picture, we have explained how.

Solution:

The hidden cat is encircled below.

Solution:

At the Monkey head.

Solution:

The Cat is circled below in the picture.

Solution:

when you are a mouse.

Solution:

You can spot the cat in the circle below.

Solution:

The hidden cat is marked in the picture below.

Solution:

The cat is circled as shown below.

Solution:

There are only four cats. The room is too small and each cat is sitting at the tail of other.

Solution:

It's shown in the picture below.