CoinDCX Manual Tester Interview Questions and Answers

Q1. Coding questions on Data Structures
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Q2. SQL query to find salary department wise
Ans. 
Use SQL query to find salary department wise
• Use GROUP BY clause to group salaries by department

• Use SUM() function to calculate total salary for each department

• Join with department table if necessary to get department names
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Q1. If Flipkart wants to launch a new television set during the big billion days, how many sets should it have in inventory to satisfy the entire demand?
Ans. 
The number of television sets Flipkart should have in inventory to satisfy the entire demand during the big billion days.
• Estimate the demand based on previous sales data and market trends.

• Consider the production capacity and lead time for restocking.

• Factor in potential competition and pricing strategies.

• Use predictive analytics to forecast demand and optimize inventory levels.

• Ensure adequate safety stock to avoid stock
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Q2. How would a company with a lack of knowledge of renewable packaging go about acquiring relevant technology and convincing manufacturers to create a new process?
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Q3. How many potatoes does Lays India procure in 6 months?
Ans. 
Sorry, I do not have access to the procurement data of Lays India.
• No data available

• Cannot answer the question
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Q4. How would you pitch a proposal for a strategic alliance to a company like Amazon?
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Q5. What is your favorite restaurant? Develop a marketing strategy for the same.
Ans. 
My favorite restaurant is a cozy Italian place called La Trattoria.
• Create a social media presence and post mouth-watering pictures of the food

• Offer a loyalty program to encourage repeat customers

• Partner with food bloggers and influencers to promote the restaurant

• Host special events like wine tastings and cooking classes

• Offer delivery and takeout options to reach a wider audience
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Tell me something about yourself.

Walk us through your CV.

How will you encourage people to use paper bags instead of plastic and what will be your strategy to increase the business of paper bags?

How will you strategize to partner with the Indian government on recycling products so that our company is chosen among all the competitors for the project?

Q1. Basic javascript and angular
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Q1. Js and angular questions
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Q1. Linear regression? python coding of lists.
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Q1. Linear regression? python coding
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Q1. When do you prefer Decision Tree better than Random Forest model if model outputs are similar
Ans. 
Decision Tree is preferred over Random Forest when interpretability is important.
• Decision Tree is easier to interpret and visualize than Random Forest.

• Decision Tree is better suited for small datasets with few features.

• Random Forest is better suited for large datasets with many features.

• Random Forest is less prone to overfitting than Decision Tree.

• Decision Tree can be used as a building block for Random Forest.

• If inter...read more
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Q1. Why do you want to work here
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Q1. Sum and sumx in power bi
Ans. 
Sum and SumX are DAX functions used in Power BI to calculate the sum of values in a column or table.
• Sum calculates the sum of values in a column or table.

• SumX calculates the sum of an expression evaluated for each row in a table.

• Both functions can be used in measures and calculated columns.

• Example: Sum(Sales[Revenue]) calculates the total revenue for the Sales table.

• Example: SumX(Orders, [Quantity]*[Price]) calculates ...read more
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Q1. What are your salary expectations?
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Q2. Share details of your previous job.
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