Tests for ready entries are
ATPL,MIC,OWT,PPT,RMS,ROT,SKT,VMC,Maths (apparently they are all acoustic), English and a psychological profiling test.
I don't know how many ATPL questions there are, but you are expected to do some maths; fuel flow, climb rate, scales, ISA deviation etc.
Then a lot of questions regarding air law, procedures (CAT1,2 approaches) and met questions.
Hope this helps.