Nokia interview questions

1. Rate yourself w.r.t ML, Mathematics, Programming. 2. What is the mathematical intuition behind PCA. 3. What are generative models? 4. How do you plan to adopt a network with the functionality of two other networks? 5. Design an algorithm and return all the possible two digit combinations in a given unsorted array which sum up to a specific number such that the algorithm is linear time complex. and some more questions on segmentation, detection.