10
There are infinite number of levels in Bejeweled Lightning mode. The goal there is to beat the high score and prolong your game as much as you can.
Some people have made it to 200 and beyond but no one knows for sure how many levels exactly.
so far i have reached level 25 on the classic
I am on level 44 and have over 2,400,000 points and it hasn't ended yet.
there are about 20 levels
As far as you can make it. It has unlimited amount of levels.
a lot
It seems that the rank level names of Bejeweled 3 are identical to the ones of Bejeweled Blitz so 131 ranks
from what i know there are 5 but i think there might be 6 from what i have heard
There are many places where one can find a free copy of Bejeweled 2. One can find a free copy of Bejeweled 2 at popular on the web sources such as Craigslist and Listia.
According to the related link there appear to be 10 levels for the American Campaign and 8 Levels each for the British and Russian Campaigns on the Nintendo DS version of the game. see related link for Names and detailed information on each of the 26 levels
There are many websites that offer free Bejeweled game downloads. The PopCap game website is one such resource one might choose to download the game from.