no
Yes, you can.
iPads run on iOS
Yes. iOS 5.1 is jailbreakable, search the internet for it.
No.
If you have the iPod Touch 3G or 4G (current one), an iPhone 4 (not the iPhone 4S) or iPhone 3GS, or the original iPad (Not the iPad 2) then use redsn0w 0.9.10 to jailbreak. If you have an iPad 2 or, iPhone 4S, you cannot jailbreak it on iOS 5.0.1 yet
The ipad 3 will be jailbreakable but you have to wait for th IOS 5.1 jailbreak to come out
iOS 5.1 untethered jailbreak
A jailbreak tool called evasion has been released with works on all iOS 6 and iOS 6.1 devices - iPhone, iPad, iPad mini, and iPod touch. This is an untethered jailbreak, which means that you won't need to reapply it after reboot. In practical terms this means that a flat battery won't remove your jailbreak.
Yes, you can use Absinthe 2.0.1 to jailbreak iOS 5.1.1. Here is a website with step-by-step instructions on how to jailbreak: http://www.redmondpie.com/jailbreak-5.1.1-untethered-iphone-4s-ipad-3-ipod-touch-and-more-using-absinthe-2.0-video-tutorial/
they said somewhere in november~ but not sure on the date.. im waiting for it too~
unfortnately there is no ios 5.1 jailbreak at the moment but it is coming soon. Yet there is a tethered jailbreak for ios 5.1.
No there is currently not a jailbreak out for iOS 8.4.1, 9.1 or 9.2