Infopine Interview Questions and Answers

Q1. Working other than Kolkata Location is comfortable or not.
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Q2. Job profile is ok or not
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Easy aptitude and some javascript/Java based mcqs and 2 easy coding questions

1-2 basic DS Algo based questions in 4 hours

Q1. Preorder traversal of tree, quick sort, merge sort, difference between binary and binary search tree and some questions on Java/ javascript
Ans. 
Question on tree traversal, sorting algorithms, and Java/Javascript
• Preorder traversal visits root, left subtree, then right subtree

• Quick sort uses partitioning to sort elements in place

• Merge sort divides array into halves, sorts them, then merges them

• Binary trees have at most 2 children per node, while binary search trees have left child < parent < right child

• Java is a statically typed language, while Javascript is dyn...read more
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Gave an assignment of calculating number of tea sold outside india for Vadham tea.

Asked a guesstimate. This was an easy guesstimate but recruiter was not paying attention, was busy in mobile.

Q1. Estimate number of burgers sold by one burger Outlet in your city.
Ans. 
The number of burgers sold by a burger outlet in a city can vary based on factors like location, menu offerings, pricing, and customer demand.
• Consider the population of the city and the popularity of the outlet.

• Analyze the outlet's menu offerings and pricing compared to competitors.

• Take into account any special promotions or events that may impact sales.

• Look at historical sales data if available.

• Interview employees or ...read more
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Q1. Estimate transportation cost for raw materials.
Ans. 
Transportation cost for raw materials can be estimated based on distance, mode of transportation, quantity, and current market rates.
• Consider the distance between the supplier and the manufacturing facility

• Take into account the mode of transportation (road, rail, sea, air)

• Calculate the quantity of raw materials being transported

• Research current market rates for transportation services

• Factor in any additional costs such...read more
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Q1. Asked about past experience
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Q2. Some guesstimate question
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Q1. Excel 5-6 questions. 4 sheets with some common id.
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Q2. Guesstimate of number of tea sold in Delhi
Ans. 
Approximately 10 million cups of tea are sold in Delhi daily.
• Consider population of Delhi (approximately 20 million)

• Assume 50% of population consumes tea daily

• On average, a person consumes 2 cups of tea per day

• Total tea sold = 20 million * 0.5 * 2 = 10 million cups
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Q3. Questions of basic Tableau and excel formulas
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They covered all aspects

It was high level design

Coding questions were around the tech stack I worked on and an easy dsa question

Again discussion on tech stack I worked on and a few questions around it and coding an application of todo list in react

Q1. Discussion with the pod lead and vertical lead of the team where hiring was going on. Sort of qna system design
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Basic to medium questions on array string SQL

Q1. Project related questions
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