Teleone Back Office Executive Interview Questions and Answers

Q1. DSA Medium difficulty question Schema Design Low level design Amazon reviews page
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HackerRank Test
1 hour test
Leetcode easy - medium questions

Q1. Q1 - Leetcode : 1577. Number of ways where the square of numbers is equal to the product of 2 numbers Q2- Leetcode medium-level question based on arrays
Ans. 
Backend Developer interview question on Leetcode problems related to arrays and number manipulation.
• Q1: Find number of ways where the square of numbers is equal to the product of 2 numbers

• Q2: Solve a medium-level Leetcode problem based on arrays

• Use appropriate data structures and algorithms to optimize solutions

• Practice problem-solving skills regularly to improve efficiency
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Q1. Design Inventory management system
Ans. 
An inventory management system is designed to track and manage inventory levels, orders, sales, and deliveries.
• Identify inventory items and categorize them

• Track inventory levels and set reorder points

• Manage orders and sales

• Monitor deliveries and returns

• Integrate with accounting and ERP systems
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Q1. Questions about last project and resume based
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Q1. Number of islands code
Ans. 
Count the number of islands in a 2D grid of 1s and 0s.
• Use DFS or BFS to traverse the grid and mark visited cells.

• Count the number of times traversal starts from an unvisited 1.

• Consider edge cases like empty grid, all 0s or all 1s.
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Q1. It was a simple design round and some technical questions on skills mentioned in your resume
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MCQs and 1 coding question

Q1. Delete one child nodes,
Ans. 
To delete one child node, we need to identify the parent node and remove the child node from its list of children.
• Identify the parent node of the child node to be deleted

• Remove the child node from the parent node's list of children
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Q1. Project and internship discussion And one question discussion on how data is stored in db
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Q1. Nothing nothing nothing nothing
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It was on-campus placement interview.
Two rounds of interview were there and both were of DSA (DP and sorting algo).