PayU Payments Interview Questions, Process, and Tips

Q1. Basic DSA Question
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Q1. Mobile Development Related Questions
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Q1. Basic HR Questions
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45 min analytical questions

Q1. Send + more = money
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Q2. Find the angle at 3:20
Ans. 
To find the angle at 3:20, we need to calculate the minute hand's position relative to the hour hand.
• Calculate the angle made by the hour hand with the 12 o'clock position at 3:20 (20 minutes past 3)

• Calculate the angle made by the minute hand with the 12 o'clock position at 3:20

• Find the difference between the two angles to get the angle at 3:20
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Q1. DSA round containing 2 coding questions along with some Java Questions
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Q1. Design Round along with some puzzles
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Q1. Managerial Round
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Q1. What are joins in SQL, and how do they function?
Ans. 
Joins in SQL are used to combine rows from two or more tables based on a related column between them.
• Joins are used to retrieve data from multiple tables based on a related column.

• Common types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.

• INNER JOIN returns rows when there is at least one match in both tables.

• LEFT JOIN returns all rows from the left table and the matched rows from the right table.

• RI...read more
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Q2. What is the maximum salary in the employee table?
Ans. 
The maximum salary in the employee table can be found by querying the database for the highest salary value.
• Query the employee table for the maximum salary using SQL: SELECT MAX(salary) FROM employee;

• Check for any outliers or errors in the salary data before determining the maximum value.

• Consider any potential bonuses or additional compensation that may affect the salary values.
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Q3. What are the different types of microservices that are commonly utilized?
Ans. 
Common types of microservices include API gateways, service discovery, and event-driven architecture.
• API gateways: Acts as a single entry point for multiple microservices, handling authentication, routing, and load balancing.

• Service discovery: Allows microservices to find and communicate with each other dynamically, without hardcoding IP addresses.

• Event-driven architecture: Microservices communicate through events, ena...read more
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Q4. What types of APIs have you used?
Ans. 
I have used RESTful APIs, SOAP APIs, and GraphQL APIs in my previous projects.
• RESTful APIs: Used for creating, updating, reading, and deleting resources over HTTP.

• SOAP APIs: Used for exchanging structured information in the implementation of web services.

• GraphQL APIs: Used for querying specific data requirements and receiving a predictable response.
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Q5. What types of IT Service Management (ITSM) tools are available?
Ans. 
ITSM tools are software solutions that help organizations manage and optimize their IT services.
• Incident management tools

• Change management tools

• Problem management tools

• Asset management tools

• Service catalog tools

• Service desk tools
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Q6. What type of database is used?
Ans. 
The type of database used is a relational database management system (RDBMS).
• Uses tables to store data

• Supports SQL for querying and managing data

• Examples include MySQL, PostgreSQL, Oracle
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Q7. What are the different types of VLOOKUP formulas?
Ans. 
VLOOKUP formulas are used in Excel to search for a value in a table and return a corresponding value from another column.
• VLOOKUP with exact match: =VLOOKUP(lookup_value, table_array, col_index_num, FALSE)

• VLOOKUP with approximate match: =VLOOKUP(lookup_value, table_array, col_index_num, TRUE)

• VLOOKUP with wildcard characters: =VLOOKUP(CONCATENATE('*', lookup_value, '*'), table_array, col_index_num, FALSE)
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Q8. Which dashboards do you use for monitoring purposes?
Ans. 
I use Grafana and Kibana dashboards for monitoring purposes.
• Grafana is used for visualizing time series data and monitoring metrics.

• Kibana is used for analyzing and visualizing logs and other time-series data.
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