Imagine you have N pieces of rope in a bucket. You reach in and grab one end-piece, then reach in and grab another end-piece, and tie those two together. What is the expected value of the number of loops in the bucket?
Data Interview Questions
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how to check if a linked list is a palindrome.
What would my manager say if I quit right now.
phone screening- Five 5th grade level mathematical questions Onsite interview- basic behavioral questions
Originally asked: If the ratio of green to red is 2 to 7 and there are 70 total marbles, how many green are there? Amended question after email: If the ratio of green to red is 2 to 7 and there are 70 red marbles, how many green are there?
An ATM makes $2 per customer for 30% of its customers. Each time a customer uses the ATM it costs 2cents. The ATM servicing costs $3000. What is the break even point for this ATM?
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SQL: 1. given table products(product_id, brand_name,product_name, product_price), find brand_names with avg price > 3 and having more then 5 products 2.given table sales (sale_id, promotion_id, sale_amount, other columns), find % of how sales with promotions ( promotion_id is null) are doing in comparison to all sales. Coding(Java): 1. find avg word length in a sentence 2. ip address validation 3. Friends problem [[A,B], [B,D],[E]...] ( List of lists);
Given two tables with the following columns: USERS user id date time stamp post id user action action details POST_REMOVED_BY_REVIEWER post id date time stamp report the daily ratio of posts removed by reviewers out of the user reported posts (user action = report)
3 SQL questions. 3 Python coding questions.
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