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Say I have a deck of 52 cards, regular deck of cards. I put a joker in the deck somewhere and shuffle it up. Now I start dealing you cards until the joker shows up. Once it shows up, I stop dealing you cards. What is the probability that you have, in your set of cards, all 4 aces?
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Financial Software Developer

Interviewed at Bloomberg

4★
Jun 29, 2012

Say I have a deck of 52 cards, regular deck of cards. I put a joker in the deck somewhere and shuffle it up. Now I start dealing you cards until the joker shows up. Once it shows up, I stop dealing you cards. What is the probability that you have, in your set of cards, all 4 aces?

Python questions: 1. Replace None value with previous value present in a list. 2. Given a ´dictionary, print the key for nth highest value present in the dict. If there are more than 1 record present for nth highest value then sort the key and print the first one. 3. Given two sentences, you have to print the words those are not present in either of the sentences.(If one word is present twice in 1st sentence but not present in 2nd sentence then you have to print that word too) 4. Forgot another question you have to pass all the cases, specially on edge cases. SQL questions: 1. Mostly % calculation, also refer the questions available here in Glassdoor. Next will be my Onsite Interview of 3.30hr. If anyone can help me on that or else I will update later on that interview as well.
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Data Engineer

Interviewed at Meta

3.6★
Mar 9, 2021

Python questions: 1. Replace None value with previous value present in a list. 2. Given a ´dictionary, print the key for nth highest value present in the dict. If there are more than 1 record present for nth highest value then sort the key and print the first one. 3. Given two sentences, you have to print the words those are not present in either of the sentences.(If one word is present twice in 1st sentence but not present in 2nd sentence then you have to print that word too) 4. Forgot another question you have to pass all the cases, specially on edge cases. SQL questions: 1. Mostly % calculation, also refer the questions available here in Glassdoor. Next will be my Onsite Interview of 3.30hr. If anyone can help me on that or else I will update later on that interview as well.

You have a 2-D array of friends like [[A,B],[A,C],[B,D],[B,C],[R,M], [S],[P], [A]] Write a function that creates a dictionary of how many friends each person has. People can have 0 to many friends. However, there won't be repeat relationships like [A,B] and [B,A] and neither will there be more than 2 people in a relationship
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Data Engineer

Interviewed at Meta

3.6★
Oct 31, 2018

You have a 2-D array of friends like [[A,B],[A,C],[B,D],[B,C],[R,M], [S],[P], [A]] Write a function that creates a dictionary of how many friends each person has. People can have 0 to many friends. However, there won't be repeat relationships like [A,B] and [B,A] and neither will there be more than 2 people in a relationship

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