Interview Questions

Mayank M. - "Clarifying questions- Are we considering only the viewing + upload or all the services like ads, payouts etc? -- only streaming + uploads. Are we considering any specific platform like App, website or everything? --- All. Are we talking about just the tech part or should we consider the ops cost as well? ---consider everything. High level equation- Since we want to calculate the cost of running youtube for a day , we need to consider the following verticals- **Vide"See full answer

M Q. - "1/cost 2/speed 3/unique value/use case 4/data governance and privacy"See full answer

Tesvara J. - "First, I'll ask some clarifying questions and redefine the scope for us, ok? So, Can we assume that we are working at a company that has discovered a way to travel through time and we have this patented state of the art technology? Sure! Ok, then I will think of this problem from the perspective of a business if that is ok? Yes Is the traveling process instant or lengthy? Assume instant. Can I assume there are no idea constraints and that since time travel is existing that ther"See full answer

Kartikeya N. - "Let me first start with some clarifying questions What do we mean by 10x? User engagement/ revenue/ acquisition?: Revenue Are we looking at global revenue or from a particular market like USA?: Global Are there any constraints or timelines for this ask?: Not much constraints, lets aim for a 10X increase in 5 years Sure, let me first start with the Goal of Duolingo. Duolingo’s aim is to simplify language learning and make it entertaining as well as educational. It is known for it’s use of"See full answer

Alex N. - "Perplexity - the measure LLM is surprised when it predicts next word. For example: I love to eat --- if LLM selects as next word "fruits" it will be less surprising than if LLM selects as next word "metal". It is better to have lower perplexity score. Cross Entropy is the measure how well model match true labels. So if the next word is "cat" and LLM assigns 0.5 to it then cross entropy value is -log(0.5) = 0.69 and if it assigns 0.9 probability to word cat then cross entropy value is - log(0.9"See full answer