Got to the second stage.
First did a pattern recognition and numeracy skills test.
Second stage was a phone interview where they asked you basic probability questions such as calculating the EV of a game. No Calculators were allowed
Interview questions [1]
Question 1
If I role 500 marbles down a set of steps, where at every new step 1/2 the marbles stay at that step. How many marbles would there be on the fifth step?