3I Infotech Ltd. Interview Questions
Published March 27, 2026
Estimated reading time: 5 minutes
3I Infotech Ltd. Interview Guides
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Data Structures & Algorithms
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SQL
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Machine Learning
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Probability
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Statistics
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3I Infotech Ltd. Interview Questions
Practice for the 3I Infotech Ltd. interview with these recently asked interview questions.
| Question | Topic | Difficulty | ||||||||||||||||||||||
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SQL | Easy | |||||||||||||||||||||||
Write a SQL query to select the 2nd highest salary in the engineering department. Note: If more than one person shares the highest salary, the query should select the next highest salary. Example: Input:
Output:
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SQL | Easy | |||||||||||||||||||||||
SQL | Medium | |||||||||||||||||||||||
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SQL | Easy | |
Machine Learning | Medium | |
Statistics | Medium | |
SQL | Hard | |
Machine Learning | Medium | |
Python | Easy | |
Deep Learning | Hard | |
SQL | Medium | |
Statistics | Easy | |
Machine Learning | Hard |
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3I Infotech Ltd. Salaries by Position
Most data science positions fall under different position titles depending on the actual role.
From the graph we can see that on average the Software Engineer role pays the most with a $87,840 base salary while the Business Analyst role on average pays the least with a $72,567 base salary.
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