Para una pregunta de Aksing entre el video
<h1>Ask a question at a given point in a video</h1>
<p>The question is displayed after 10 seconds, if the answer given is correct (i.e. "Wikipedia"), the video continues, if not it starts again from the beginning</p>
<video id = "myVideo" controls>
<source src = "http://tecfa.unige.ch/guides/html/html5-video/videos/state-of-wikipedia-480x272.mp4">
<source src = "http://tecfa.unige.ch/guides/html/html5-video/videos/state-of-wikipedia-480x272.webm">
</video>
Aman Chauhan