I just added pics onmy articles,yet it is not featured. There is no video, amazon ad and tables. My question is that just pics are enough or it needs to add videos too?? And how many words should be added? In statistics how many marks should be gained??my article have 62marks what does it mean???what is the target of marks???
The problem with your writing is your lack of English grammar skills. You need to get that improved before you can write here. HubPages is a site aimed at fluent English speakers and it requires a high standard of written English.
My advice is to go and study and work on your English, research about HubPages in detail, then try again