GoMechanic Interview Questions, Process, and Tips

General SQL and Python questions for Data analysis and Visualization tools

Q1. What do you understand y Churn Rate ?
Ans. 
Churn Rate is the percentage of customers who stop using a product or service over a certain period of time.
• Churn Rate is calculated by dividing the number of customers who stopped using the product by the total number of customers at the beginning of the period.

• It is used to measure customer retention and satisfaction.

• A high churn rate indicates that a company may be losing customers at a high rate, while a low churn ...read more
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Q2. What can be done to increase retention rate ?
Ans. 
To increase retention rate, companies can focus on improving employee engagement, providing opportunities for growth and development, offering competitive compensation and benefits, and creating a positive work culture.
• Improve employee engagement through regular feedback sessions and recognition programs

• Provide opportunities for growth and development through training programs and career advancement opportunities

• Offer ...read more
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Q1. Previous experience?
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Q2. Why you left last company?
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Q3. Your roles and responsibilities?
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Q1. In depth understanding why you left last organization?
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Q2. Why you want to join GoMechanic?
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Q3. Your roles and responsibilities in last company?
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Q4. What new you will bring by joining in as TL?
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Q5. What changes you will make in the process by joining in?
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It was on hackerank platform

1 hr, there were some DSA problems

1 hr, there were some DSA problems

Q1. Any hard situation u faced ?
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Q2. How you tackled hard situation
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Q1. What is difference between delete,drop and truncate. ?
Ans. 
Delete removes specific rows from a table, drop removes entire table structure, and truncate removes all rows from a table.
• Delete is a DML command, drop is a DDL command, and truncate is a DDL command.

• Delete can be rolled back, drop cannot be rolled back, and truncate cannot be rolled back.

• Delete triggers delete triggers, drop triggers drop triggers, and truncate does not trigger any triggers.

• Example: DELETE FROM table...read more
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Q1. What are iterrators .?
Ans. 
Iterators are objects that allow sequential access to elements in a collection.
• Iterators are used to loop through elements in a collection one at a time.

• They provide a way to access elements without exposing the underlying data structure.

• Iterators have methods like next() to retrieve the next element in the collection.

• Examples of iterators include Python's iter() and Java's Iterator interface.
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Q1. Type of vehicle
Ans. 
The type of vehicle refers to the make and model of the car the customer owns or is interested in purchasing.
• Ask the customer for the specific make and model of their vehicle

• Understand the customer's preferences and needs based on the type of vehicle they own or want to buy

• Use this information to tailor your customer service approach accordingly
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Q2. Parts of cars and how eastimates support for customised services
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Estimates for customised services in the automotive industry are based on the specific parts of cars needed for the customization.
• Estimates for customised services take into account the cost of individual parts needed for the customization.

• Factors such as the brand, model, and year of the car, as well as the specific customizations requested, influence the estimate.

• For example, customizing a car with high-end performan...read more
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