In car and motorbike theory test you'll be asked randomly selected 45 multiple-choice questions and 5 marks case study style questions in 57 minutes and you need to get at least 43 right to pass.
And for lorries and buses you'll be asked 60 questions in 70 minutes and the pass mark is 51 out of 60.
And the pass mark for the car and motorcycle hazard perception part of the theory test is 44 out of 75.
For lorries and buses the pass mark is 50 out of 75.
For more information visit:
http://www.theory-tes.../theory_test_info.asp