I am trying to run some docker images in docker playground which is available in docker hub,docker container is not getting created and also getting error while running on that in browser.
Isn’t this the output of the container you started?
What images? Can you share the commands?
hello-world image from docker hub. Used the following command in docker playground.
$ docker run -d -p 80:80 hello-world
What did you expect from a command line hello world demo? 
Please, always read the image descriptions
https://hub.docker.com/_/hello-world
It’s not for running in detached mode. It just shows some texts in the terminal and terminates. There is no server inside.