KritiLabs Technologies Interview Questions and Answers

1 hr, there were some DSA problems

1 hr, there were some DSA problems

Q1. Any hard situation u faced ?
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Q2. How you tackled hard situation
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Q1. Round 1 : SQL based questions
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Round 2 : Working around Credit & Fraud Risk based parameters and how can it be used to reduce delinquency

Q1. About Cloud Services
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Q2. AWS - SNS/SQS/Lambda etc
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Q1. SQL join types and outputs
Ans. 
SQL join types include inner join, left join, right join, and full outer join, each producing different outputs.
• Inner join: returns rows that have matching values in both tables

• Left join: returns all rows from the left table and the matched rows from the right table

• Right join: returns all rows from the right table and the matched rows from the left table

• Full outer join: returns all rows when there is a match in either
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Q2. Excel functions and formula
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Q1. Guesstimates related to Uber
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Q2. Puzzles related to shapes
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Q1. Implement Doubly linked list
Ans. 
Doubly linked list is a data structure where each node contains a reference to the previous and next node.
• Create a Node class with data, prev, and next pointers

• Implement methods to add, remove, and traverse nodes in the list

• Handle edge cases like adding to an empty list or removing the only node
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Q2. Phone book design
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Q1. Explain about previous experience
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Q2. Guesstimate of no of ppl at airport
Ans. 
The number of people at an airport can vary greatly depending on the time of day, day of the week, and season.
• Consider the size of the airport - larger airports will have more people than smaller ones

• Think about the time of day - peak travel times will have more people

• Factor in the day of the week - weekends and holidays will likely have more travelers

• Take into account the season - summer and winter holidays tend to be...read more
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It was a round of multiple-choice questions focused on aptitude and SQL, lasting approximately an hour.

The second round consisted of multiple-choice questions on Python and a coding question focused on topics related to data analytics, specifically using Pandas and NumPy.

Q1. Be confident there is no barrier of language in this organisation if you are comfortable in hindi use it
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