Uber Interview Questions and Answers for Freshers

To reduce contact rate, implement self-service options, improve website FAQs, and provide proactive communication.

• Implement self-service options such as chatbots or automated phone systems

• Improve website FAQs to address common customer inquiries

• Provide proactive communication through email or text alerts

Answering SQL queries in an interview for Data Analyst Intern position

• Understand the database schema and tables involved

• Use SELECT, FROM, WHERE, GROUP BY, HAVING, ORDER BY clauses

• Practice writing queries for common data analysis tasks like filtering, aggregating, and joining tables

No, I believe in standing up against bullying and supporting those who are being bullied.

• I do not support bullying in any form and believe in treating others with respect and kindness.

• I would try to intervene and help the person being bullied, either by talking to the bully or seeking help from a teacher or supervisor.

• I believe in creating a positive and inclusive environment where everyone feels safe and respecte...read more

SDE 1 is an entry-level position where candidates gain foundational skills before advancing to SDE 2.

• SDE 1 focuses on learning and building foundational skills in software development.

• SDE 2 requires more experience and expertise in software development.

• Advancing from SDE 1 to SDE 2 is a common career progression in tech companies.

• SDE 1 roles often involve working on smaller projects or components of larger project...read more

Count the number of islands in a 2D grid of '1's (land) and '0's (water).

• Use Depth-First Search (DFS) or Breadth-First Search (BFS) to explore the grid.

• Mark visited land cells to avoid counting them multiple times.

• Iterate through each cell; if it's '1', increment the island count and explore its neighbors.

• Example: For grid [['1','1','0'], ['0','1','0'], ['0','0','0']], the output is 1.

Given a 2D matrix with doors and walls, fill distance matrix with minimum distance to the nearest door.

• Iterate through the matrix and find the doors

• Use Breadth-First Search (BFS) to calculate the minimum distance from each cell to the nearest door

• Update the distance matrix with the minimum distances

Find kth smallest element in unordered array with O(1) space

• Use the QuickSelect algorithm to partition the array and find the kth smallest element

• Choose a pivot element and partition the array into two subarrays

• Recursively partition the subarray that contains the kth smallest element

• Repeat until the pivot element is the kth smallest element

• Time complexity: O(n) average case, O(n^2) worst case

I would like to add a feature that allows users to schedule rides in advance.

• Users can schedule rides for important events or appointments

• Option to choose specific driver or vehicle for scheduled rides

• Notifications for upcoming scheduled rides

• Ability to edit or cancel scheduled rides