Admission in uk uinversities

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i have got admission in University of cardiff & liverpool, i'm confused abt where to go, if there is somebody who cananswer my questions:
1 university recongnition/ranking
2 course comparision
3 market value of these courses/university
4 living cost during studies
5 part time job opportunity and earning
6 credit hours for cardiff
7 job opprtunities after graduation with respect to courses

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