Two technical interviews each lasting one hour, back to back. First interview was specific to Bespak, asking how I would have designed their products and the second was general riddles/guesstimates.
Interview questions [1]
Question 1
3 different ways you could power an auto injector. Which is the best way?
The standard riddle where you have three men facing a wall all wearing a green or blue hat and one man on the other side of the wall. There are 2 green hats and two blue hats. How does the man on the opposite side of the wall know the colour of his hat.
Estimate the diameter of the earth.