There are 25 horses, and you want to rank the fastest 3 horses out of those 25. In each race, only 5 horses can run at the same time because there are only 5 tracks. What is the minimum number of races required to find the 3 fastest horses without using a stopwatch?
Many personality questions and situation based question (i.e. What would you do if you are in XYZ situation, how would you respond?) Tell me a time when you were in a difficult situation at work, how did you rectify the issue?
We have a table called ad_accounts(account_id, date, status). Status can be active/closed/fraud. A) what percent of active accounts are fraud? B) How many accounts became fraud today for the first time? C) What would be the financial impact of letting fraud accounts become active (how would you approach this question)?
You have a table with appID, eventID, and timestamp. eventID is either 'click' or 'impression'. Calculate the click through rate. Now do it in for each app.
What are 5 uncommon uses of a brick, not including building, layering, or a paper-weight?
Common statistical and python related questions. 1) How do you proof that males are on average taller than females by knowing just gender or height. 2) What is a monkey patch 3) How do you get the count of each letter in a sentence
Coding test: moving average Input 10, 20, 30, 10, ... Output: 10, 15, 20, 17.5, ...
Multiple choice questions include basic sql queries and some basics statistics questions.
A car starts driving at 60 mph, one hour later a car leaves the same position going 80 mph. How much time will pass until the second car catches the first?
What has the larger expected value, sampling a number between 1 and n from a uniform distribution and multiplying it by itself, or sampling two numbers and multiplying them.
Viewing 51 - 60 interview questions