Tredence Interview Questions, Process, and Tips

Aptitude + Technical Questions

Coding Questions of SQL and DSA

Q1. Transpose a matrix in python and machine learning questions
Ans. 
To transpose a matrix in Python, use numpy.transpose() or the T attribute.
• Use numpy.transpose() function to transpose a matrix.

• Alternatively, use the T attribute of a numpy array.

• Example: np.transpose(matrix) or matrix.T
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Q2. What are numpy and pandas
Ans. 
NumPy is a library for numerical computing in Python, while Pandas is a data manipulation and analysis tool.
• NumPy provides support for large, multi-dimensional arrays and matrices, along with a collection of mathematical functions to operate on these arrays.

• Pandas offers data structures like DataFrame for easy data manipulation and analysis, with tools for reading and writing data from various file formats.

• Both librari...read more
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Q3. Visualization libraries in python
Ans. 
Python has various visualization libraries like Matplotlib, Seaborn, Plotly, and Bokeh.
• Matplotlib is a widely used library for creating static, interactive, and animated plots.

• Seaborn is built on top of Matplotlib and provides a high-level interface for creating attractive and informative statistical graphics.

• Plotly is great for creating interactive plots and dashboards.

• Bokeh is another interactive visualization librar...read more
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Q4. Object Oriented Programing
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Easy one practice rs agarwal

Q1. It was about machine learning
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Q2. It was about Genai RAG
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Aptitude test consist of 4 segment
1. Quantitative aptitude
2.verbal ability
3. Data interpretation
4. Short written ( who is better gifted or hard worker..??) this question ask to me AND second question is on guesstimating (how much car sold in India in 2018 ) solved based on assumption and calculations.
5. It was consign round which has 3 questions 1 easy 1 moderate 1 tough of 20,20,50 marks respectively

Q1. This round has 3 section 1. Read sentence and speak loudly and record it You can record only once 2. Second listen audio clip and speak loudly and record it you can listen audio clip once only 3 listen a...read more
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Q1. It is totally technical interview totally based on resume it means whatever you have written in your resume you have to know everything in deep my interview was last for 35 min totally on machine learning....read more
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Q2. How you reduce error in model Which kind of matrix used in your model How you map data
Ans. 
To reduce error in a model, I use techniques like cross-validation, regularization, and feature selection. I use matrices like confusion matrix and correlation matrix. Data is mapped using techniques like normalization and encoding.
• Reduce error in model by using techniques like cross-validation, regularization, and feature selection

• Use matrices like confusion matrix to evaluate classification models and correlation mat...read more
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Q1. Deal closing process
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Q2. Custom reports in Salesforce
Ans. 
Custom reports in Salesforce allow users to create personalized reports based on specific criteria.
• Custom reports can be created by selecting the desired fields, filters, and grouping criteria.

• Users can also add charts, graphs, and tables to visualize the data in the report.

• Custom reports can be scheduled to run at specific times and be shared with other users.

• Examples of custom reports include sales performance by reg...read more
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Q3. PMO work experience
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Q1. Brief overview of implementations in Salesforce
Ans. 
Salesforce is a CRM platform used for various implementations like sales, marketing, customer service, etc.
• Sales Cloud for sales automation

• Service Cloud for customer service management

• Marketing Cloud for marketing automation

• Community Cloud for building online communities

• Einstein Analytics for data analysis
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Q2. Explaining company's expectations
Ans. 
Company's expectations should be clearly communicated to employees to ensure alignment and success.
• Clearly outline job responsibilities and performance metrics

• Provide regular feedback and opportunities for growth

• Encourage open communication and collaboration within teams
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