How can I transfer photos from my P C to I pad

You sync photos to iPad.

http://i1224.photobucket.com/albums/ee374/Diavonex/Album%204/58cd8f694a93ea5cd55 def748e732d5a.jpg

You can also use 3rd party apps to transfer from computer to iPad.

http://i1224.photobucket.com/albums/ee374/Diavonex/Album%205/79b3173fda7b6a6e148 5b463198f6acf.jpg

You can transfer using Camera Connection Kit

http://i1224.photobucket.com/albums/ee374/Diavonex/Album%201A/70b3dc9721fbbb115b 5f3eeff7c0d399_zps80ed99c2.jpg

You can also share your photos using the cloud e.g. Dropbox

What happens when you try to sync them by:

iOS and iPod: Syncing photos using iTunes

Maybe this will help

iTunes: Unable to sync photos