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Data Interview Questions
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A gas station has 30 gallon of gasoline worth 1.20 per gallon and some worth 1.40 per gallon .how many gallons of the 1.40 brand must the owner mix in to produce gasoline that cost 1.28 per gallon
Most of the questions were regarding my work experience so far. And a few logic questions like what is the angle between the hours hand and minutes hand when the time is 3:15; How do I identify which switch corresponds to which light bulb when the switches are in one room and the bulbs are in another and given that I can enter the room with bulbs only once.
SQL question: 1 table with player_id, log in date, and 2 other fields and was asked to calculate first day retention rate. First day retention rate is defined as the player who log in the 2nd straight day, after the first ever time they log into game.
The three data structure questions are: 1. the difference between linked list and array; 2. the difference between stack and queue; 3. describe hash table.
Q. Tell me about a time when you were short on deadline and how did you handle it? Q. Write a Python code to return the count of words in a string Q. What is cross validation Q. Tell me about your favorite algorithm
How long you plan to work
Suppose there is a point A on road. From this point, probability of any car to pass in 20 min. is p; then tell what is probability for any car to pass in 2 min.?
How would you build and test a metric to compare two user's ranked lists of movie/tv show preferences?
What is your Clerical speed?
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