What are the ways to increase the chances of my wordpress.com blog featuring in 1st page of Google/Bing/Yahoo?

Have more original quality content then the competitors, which should inspire some to link to your site from others, which the search engines use to gauge a site's popularity. Study SEO, originally a science of optimizing your site for search engine examination, it now is primarily the process of getting backlinks from other sites to raise your popularity rating, search engines are on the lookout for "unnatural" backlink patterns, in extreme cases they can penalize a site's ranking for for deceiving the search engines.

Submit your blog in blog directories, directories, social bookmarking sites. Update your blog regularly. Onpage and off page seo definately increase traffic on your blog.

it would involve lots of seo optimation, generally you wont reach the 1t place, since it is reserved for popular sites like google, yahoo, wikipedia and others. in short you have got to have a very very great no of visitors to your site.

the reason wikipedia is always on the first page is because they pay google to put them first it doesnt mean that they are the best but if you want to pay google you can