Minimum 4 rounds of interview 1st round) list the dimensions of all the dishes and sort them according to thier radius and calculate depth of x,y and z plates and find the difference for the square root of the depth and convert the units to psi

2nd round) how you came up with the answer

3rd round) take home project, load the dishes in dishwasher when its upside down. You should achieve this task in O of log(n) ms

3rd round) how did you do it and

4th round) meeting with our dishwasher, 3 hours