OLX Interview Questions, Process, and Tips

Q1. What is at transmission system
Ans. 
The transmission system is responsible for transferring power from the engine to the wheels of a vehicle.
• The transmission system consists of various components such as the gearbox, clutch, and driveshaft.

• It allows the driver to change gears and control the speed and torque of the vehicle.

• There are different types of transmission systems, including manual, automatic, and continuously variable transmissions.

• For example, ...read more
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Q2. What is power steering
Ans. 
Power steering is a system that assists the driver in turning the wheels of a vehicle.
• Power steering uses hydraulic or electric power to reduce the effort required to steer the vehicle.

• It allows the driver to easily maneuver the vehicle, especially at low speeds or when parking.

• The power steering system consists of a pump, fluid reservoir, hoses, and a steering gear or rack.

• When the driver turns the steering wheel, the...read more
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Q3. What is ABS system explain working
Ans. 
The ABS system, or Anti-lock Braking System, is a safety feature in vehicles that prevents the wheels from locking up during braking.
• ABS system uses sensors to monitor the rotational speed of each wheel.

• If the system detects that a wheel is about to lock up, it modulates the brake pressure to that wheel.

• This allows the driver to maintain steering control and avoid skidding.

• ABS system is particularly useful in emergency...read more
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Coding based theoretical questions and pseudo coding

Q1. Technical round with more insight questions.
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Q2. APIs, java questions, testng questions.
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Q1. Introduce your self
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Q1. About previous company
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Q1. Data structure related question
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Q1. Nodejs related questions
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Q2. Promises Async Await Events emitter
Ans. 
Promises, async/await, and event emitters are all ways to handle asynchronous operations in JavaScript.
• Promises provide a way to handle asynchronous operations by returning a promise object that can be resolved or rejected.

• Async/await is a syntax for working with promises that makes code easier to read and write.

• Event emitters allow you to create custom events that can be triggered and listened for in your code.
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Q1. System design related question
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Q2. Design a system like facebook
Ans. 
Design a system like Facebook
• Create a user registration and login system

• Implement a news feed for users to see updates from friends

• Allow users to create and join groups

• Include features like messaging, commenting, and liking posts

• Implement privacy settings for users to control who can see their content
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Q1. System design and behavioral
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Q1. How well do you know excel?
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Q1. Resume based questions
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Q2. General discussion about work
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Machine coding

Dsa and advance js

Domain specific and FE focused

Q1. Design video streaming platform
Ans. 
Design a video streaming platform
• Consider the scalability and performance requirements

• Implement a content delivery network (CDN) to distribute video content

• Use adaptive streaming techniques to optimize video quality based on network conditions

• Implement user authentication and authorization mechanisms

• Design a robust video encoding and transcoding system

• Implement a recommendation engine to suggest relevant videos

• Ensure s...read more
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Q1. Service workers / pwa / culture fitment
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Q1. Example Tell me about us
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Q2. All great question were ask
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Q1. Example about work
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Q2. All great question were ask
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