Orana Interview Questions and Answers

Gave an assignment of calculating number of tea sold outside india for Vadham tea.

Asked a guesstimate. This was an easy guesstimate but recruiter was not paying attention, was busy in mobile.

Recursive program of binary tree and basic HTML bootstrap

Q1. What are your salary expectations?
Add your answer
Q2. What is your family background?
Add your answer
Q3. What do you know about company? what type of products company develops?
Ans. Brief: 4 types of products, I recommend to visit the website of the company for updated details.
Answered Anonymously
Add your answer

Q1. Tell me about yourself?
Ans. Start by telling your name, your hometown, your qualifications, your previous jobs, your job profile in previous companies, why you want to join at a current job profile.
Answered Anonymously
View 1 more answer
Q2. Questions about projects, your academics.
Add your answer

Basic aptitude followed with english and reasoning

Q1. Core java technical questions , spring , spring boot
Add your answer
Q2. What is JIT in java
Add your answer
Q3. Explain lifecyxle of thread in java
Ans. 
The lifecycle of a thread in Java includes several stages from creation to termination.
• A thread is created using the Thread class or implementing the Runnable interface.

• The thread goes through the new, runnable, and blocked states before running.

• Once running, the thread can be paused, resumed, or stopped.

• Finally, the thread reaches the terminated state and cannot be restarted.
Answered by AI
Add your answer

Q1. Explain the acid properties
Ans. 
ACID properties ensure reliable transactions in databases: Atomicity, Consistency, Isolation, Durability.
• Atomicity: Transactions are all-or-nothing. Example: If a bank transfer fails, no money is deducted.

• Consistency: Transactions must leave the database in a valid state. Example: A transaction should not violate any integrity constraints.

• Isolation: Transactions occur independently. Example: Concurrent transactions do ...read more
Answered by AI
Add your answer
Q2. Explain the indexing
Ans. 
Indexing is a data structure technique that improves the speed of data retrieval operations on a database or data set.
• Indexing creates a data structure (like a B-tree) that allows for faster searches.

• For example, a book index helps locate topics quickly without scanning every page.

• In databases, an index on a column allows for quicker query results, e.g., searching for a user by email.

• Indexes can be unique (no duplicate...read more
Answered by AI
Add your answer

Group Discussion was based on a generic topic, say, Disinvestment, and would revolve around your overall involvement in the team and the discussion.
In a GD, your skills of being in a team and being able to mindfully listen to your team while simultaneously putting up your own viewpoint, are basically looked at.

Q1. How do you interpret the CLRM assumptions?
Ans. 
CLRM assumptions are a set of assumptions that must be met for linear regression models to be valid.
• The errors are normally distributed

• The errors have constant variance (homoscedasticity)

• The errors are independent of each other

• The relationship between the independent and dependent variables is linear

• There is no multicollinearity among the independent variables
Answered by AI
Add your answer
Q2. What do you understand by the terms Multicollinearity and VIF?
Ans. 
Multicollinearity is a phenomenon where independent variables in a regression model are highly correlated. VIF is a measure to detect it.
• Multicollinearity can lead to unstable and unreliable regression coefficients.

• VIF stands for Variance Inflation Factor and is used to measure the degree of multicollinearity.

• A VIF value of 1 indicates no multicollinearity, while a value above 5 or 10 is considered high.

• To address mult...read more
Answered by AI
Add your answer