20+ Genpact Interview Questions and Answers

Create a function to check if a target can be achieved using limited quantities of bricks of lengths 5 and 1.

• Calculate the maximum number of 5-length bricks required to reach the target

• Iterate through all possible combinations of 5-length and 1-length bricks

• Check if the combination adds up to the target

• Return true if achievable, false otherwise

1. Identify the bread slice machine that makes 128 g slice using 1 weighing scale. 2. Increase the population of White Fish to 99% in a pond with 200 fishes.

• For the bread slice machine puzzle, weigh one slice from the first machine, two slices from the second machine, three slices from the third machine, and so on. The difference in weight will identify the faulty machine.

• To increase the population of White Fish, remove one non-White Fish from the pond. This will make the pop...read more

Code to find number of solutions for jumps problem in array.

• Use dynamic programming to keep track of number of ways to reach each index.

• Initialize an array to store number of ways to reach each index.

• Iterate through the array and update the number of ways based on previous indices.

• Return the number of ways to reach the last index.

HTML, CSS, and JS are essential languages used in web development to create and style web pages.

• HTML (Hypertext Markup Language) is used for creating the structure of web pages.

• CSS (Cascading Style Sheets) is used for styling the appearance of web pages.

• JS (JavaScript) is used for adding interactivity and dynamic behavior to web pages.

Use dynamic programming to find the longest palindromic substring in a given string.

• Iterate through the string and consider each character as the center of a potential palindrome

• Expand around the center to check for palindromes of odd and even lengths

• Keep track of the longest palindrome found

Built a batch datapipeline to process and analyze customer transaction data.

• Used Apache Spark for distributed data processing

• Ingested data from various sources like databases and files

• Performed data cleaning, transformation, and aggregation

• Utilized SQL for querying and analyzing data

• Generated reports and visualizations for stakeholders

Dataflow is used to efficiently process and analyze large volumes of data in real-time.

• Dataflow allows for parallel processing of data, enabling faster analysis and insights.

• It provides a scalable and reliable way to handle streaming and batch data processing.

• Dataflow can be used for tasks such as ETL (Extract, Transform, Load), real-time analytics, and machine learning.

• It helps in managing and optimizing data pipelines for better performance and resource utilization.

Data migration from on-premise to GCP involves transferring data from local servers to Google Cloud Platform.

• Assess the data to be migrated, including volume, complexity, and dependencies.

• Choose the appropriate migration method - lift and shift, re-platforming, or re-architecting.

• Utilize GCP tools like Transfer Appliance, Storage Transfer Service, or Data Transfer Service for efficient migration.

• Ensure data security and compliance during the migration process.

• Test the migrate...read more

Terraform is an open-source infrastructure as code software tool created by HashiCorp.

• Terraform allows users to define and provision infrastructure using a declarative configuration language.

• It supports multiple cloud providers such as AWS, Azure, and Google Cloud Platform.

• Terraform manages infrastructure resources as code, enabling automation and version control.

• It helps in creating, updating, and deleting infrastructure resources efficiently.

• Terraform uses a state file to k...read more

Ansible is an open-source automation tool used for configuration management, application deployment, and orchestration.

• Ansible uses YAML syntax for its playbooks

• It does not require agents to be installed on managed nodes

• Ansible can automate tasks across multiple servers simultaneously