i did it year before last and got 25 on it I used the mastering the lnat book which was decent. you can do a practice test using the pearson vue desktop app. also, don't be afraid to use all your time- it was funny at my center as there were people needing to sit their theory tests and the room was literally packed, this was at 6pm aswell. as soon as I got up to finish the lady came in and sat the other person down, however don't worry about them just cocncentrate on your exam and don't be afraid of using all the time your entitled to