This quote that you made:
the fitness is pretty much 100000 % harder but from what i hear it isnt that hard to get into. is DEFINITELY the stupidest i have EVER read on a forum ANYWHERE!
1. You 'sit up' rep instructiuon is incorrect. I suggest you look a little harder at the requirements.
2. 12:30 for a 1.5miles run is also MASSIVELY off. Its 11mins just for the normal Army or Navy (dont know the RAF....prolly 25mins
)
With the 'this is going to be easy' attitude you have shown, i can guarantee you will get beasted half to death and almost certainly fail the course. Fitness is only half the battle in New Entry Training and you will learn that the hard way.
I would've loved to have been your instructor.
Tone the ego down a bit, and PROVE yourself rather talking yourself up and maybe you will do ok.