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OptiSol Business Solutions Interview Questions and Answers

Updated 4 May 2025
Popular Designations

9 Interview questions

A ml engineer was asked 1mo ago
Q. What are the basic concepts of Machine Learning?
Ans. 

Machine Learning involves algorithms that enable computers to learn from data and make predictions or decisions without explicit programming.

  • Supervised Learning: Involves training a model on labeled data, such as predicting house prices based on features like size and location.

  • Unsupervised Learning: Involves finding patterns in unlabeled data, such as clustering customers based on purchasing behavior.

  • Reinforcement...

View all ml engineer interview questions
A digital ml was asked 9mo ago
Q. Write a program to calculate (a+b)^2 using method overloading.
Ans. 

Method overloading can be used to calculate (a+b)^2

  • Create a method with the same name but different parameters to handle different data types

  • Overload the method to accept different data types for a and b

  • Example: public int calculateSquare(int a, int b) { return (a + b) * (a + b); }

  • Example: public double calculateSquare(double a, double b) { return (a + b) * (a + b); }

A Machine Learning Engineer was asked
Q. What is a recurrent neural network?
Ans. 

A recurrent neural network (RNN) is a type of neural network designed to handle sequential data by maintaining a memory of previous inputs.

  • RNNs have loops that allow information to persist, making them suitable for tasks like speech recognition, language translation, and time series prediction.

  • They can process inputs of variable length and are capable of learning patterns in sequences.

  • RNNs suffer from the vanishin...

View all Machine Learning Engineer interview questions
A Machine Learning Engineer was asked
Q. What is batch normalization?
Ans. 

Batch Normalization is a technique used to improve the training of deep neural networks by normalizing the input of each layer.

  • Batch Normalization helps in reducing internal covariate shift by normalizing the input of each layer.

  • It speeds up the training process by allowing higher learning rates and reducing the dependence on initialization.

  • It can be applied to convolutional neural networks, recurrent neural netwo...

View all Machine Learning Engineer interview questions
A Machine Learning Engineer was asked
Q. What is a confusion matrix?
Ans. 

Confusion matrix is a table used to evaluate the performance of a classification model.

  • It is a matrix with rows representing the actual class and columns representing the predicted class.

  • It helps in understanding the performance of the model by showing true positives, true negatives, false positives, and false negatives.

  • It is commonly used in machine learning to evaluate the accuracy of a classification model.

  • Exam...

View all Machine Learning Engineer interview questions
A Machine Learning Engineer was asked
Q. What is Random Forest?
Ans. 

Random Forest is an ensemble learning method that builds multiple decision trees and merges them to improve accuracy and prevent overfitting.

  • Random Forest is a collection of decision trees that are trained on random subsets of the data.

  • Each tree in the Random Forest independently makes a prediction, and the final prediction is determined by a majority vote.

  • Random Forest is effective for classification and regressi...

View all Machine Learning Engineer interview questions
A Machine Learning Engineer was asked
Q. What is dropout?
Ans. 

Dropout is a regularization technique used in neural networks to prevent overfitting by randomly setting some neuron outputs to zero during training.

  • Dropout is a regularization technique used in neural networks to prevent overfitting.

  • During training, a fraction of neurons are randomly selected and their outputs are set to zero.

  • This helps in preventing co-adaptation of neurons and improves generalization.

  • Dropout is...

View all Machine Learning Engineer interview questions
Are these interview questions helpful?
A Test Engineer was asked
Q. Are you able to write test cases?
Ans. 

I can write test cases that ensure software functionality, performance, and usability meet specified requirements.

  • Identify requirements: Understand the software specifications and user needs.

  • Define test case structure: Include fields like ID, description, preconditions, steps, and expected results.

  • Example: Test Case ID: TC001, Description: Verify login functionality, Steps: Enter valid credentials, Expected Result...

View all Test Engineer interview questions
An Automation Test Lead was asked
Q. Selenium problem solving methods we followed
Ans. 

We followed various problem-solving methods while using Selenium.

  • Identifying the root cause of the issue

  • Analyzing the logs and error messages

  • Collaborating with developers to resolve issues

  • Using debugging tools like Firebug and Chrome Developer Tools

  • Implementing Page Object Model design pattern

  • Using TestNG framework for test execution and reporting

View all Automation Test Lead interview questions

OptiSol Business Solutions Interview Experiences

17 interviews found

ml engineer Interview Questions & Answers

user image Anonymous

posted on 4 May 2025

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I appeared for an interview in Apr 2025, where I was asked the following questions.

  • Q1. What questions can be expected regarding the projects listed on your resume?
  • Ans. 

    Expect questions about your project goals, technologies used, challenges faced, and outcomes achieved in your ML projects.

    • Project Goals: Be prepared to explain the objectives of your projects, such as improving prediction accuracy or automating a process.

    • Technologies Used: Discuss the specific ML frameworks and libraries you utilized, like TensorFlow, PyTorch, or Scikit-learn.

    • Challenges Faced: Highlight any obstacles y...

  • Answered by AI
  • Q2. What are the basic concepts of Machine Learning?
  • Ans. 

    Machine Learning involves algorithms that enable computers to learn from data and make predictions or decisions without explicit programming.

    • Supervised Learning: Involves training a model on labeled data, such as predicting house prices based on features like size and location.

    • Unsupervised Learning: Involves finding patterns in unlabeled data, such as clustering customers based on purchasing behavior.

    • Reinforcement Lear...

  • Answered by AI

Plsql Developer Interview Questions & Answers

user image Saranya shankar

posted on 3 Sep 2024

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Walk-in and was interviewed in Aug 2024. There were 4 interview rounds.

Round 1 - Group Discussion 

Round 1 group discussion

Round 2 - Aptitude Test 

Round 2 aptitude test

Round 3 - Coding Test 

Pls SQL basing theory questions and 2 programs factorial and exceptional handling

Round 4 - Technical 

(1 Question)

  • Q1. Basic technical questions expecting little higher

Interview Questions & Answers

user image santhosh chandran

posted on 2 Sep 2024

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Group Discussion 

They asked about how have you utilized chatGPT in your learning process and day to day life

Round 2 - Aptitude Test 

Normal mathematical and logical reasoning

Round 3 - Technical 

(3 Questions)

  • Q1. (a+b)^2 using method over loading
  • Ans. 

    Method overloading can be used to calculate (a+b)^2

    • Create a method with the same name but different parameters to handle different data types

    • Overload the method to accept different data types for a and b

    • Example: public int calculateSquare(int a, int b) { return (a + b) * (a + b); }

    • Example: public double calculateSquare(double a, double b) { return (a + b) * (a + b); }

  • Answered by AI
  • Q2. Bubble sort and array
  • Q3. Sql queries to get data

Devops Engineer Interview Questions & Answers

user image Nishanth J

posted on 25 Sep 2024

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Group Discussion 

Women's safety topic

Devops Engineer Interview Questions & Answers

user image Dheepan Sathya Palani Samy

posted on 27 Dec 2024

Interview experience
2
Poor
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Easy Questions just tick the answers only

Round 2 - Coding Test 

DevOps then python technical Assessment

Interview experience
4
Good
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
No response

I applied via Naukri.com and was interviewed in May 2024. There were 2 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Mostly on python
Round 2 - Coding Test 

High expectations in python and machine learning

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Referral and was interviewed in Jan 2024. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. 1. Collection in java 2. Roles and responsibilites 3. Java basic programs 4. Framework structure
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Naukri.com and was interviewed in Jul 2023. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
Round 2 - Technical 

(1 Question)

  • Q1. Synopsis of all key skills overall randomly they asked
Round 3 - Technical 

(1 Question)

  • Q1. They asked for project that i was done and related to that skills

Interview Preparation Tips

Interview preparation tips for other job seekers - Be bold and confident enough to ans
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Naukri.com and was interviewed in Feb 2023. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Coding Test 

There was a basic python coding test

Round 3 - Technical 

(5 Questions)

  • Q1. What is dropout?
  • Ans. 

    Dropout is a regularization technique used in neural networks to prevent overfitting by randomly setting some neuron outputs to zero during training.

    • Dropout is a regularization technique used in neural networks to prevent overfitting.

    • During training, a fraction of neurons are randomly selected and their outputs are set to zero.

    • This helps in preventing co-adaptation of neurons and improves generalization.

    • Dropout is comm...

  • Answered by AI
  • Q2. What is batch Normalization
  • Ans. 

    Batch Normalization is a technique used to improve the training of deep neural networks by normalizing the input of each layer.

    • Batch Normalization helps in reducing internal covariate shift by normalizing the input of each layer.

    • It speeds up the training process by allowing higher learning rates and reducing the dependence on initialization.

    • It can be applied to convolutional neural networks, recurrent neural networks, ...

  • Answered by AI
  • Q3. What is Random Forest
  • Ans. 

    Random Forest is an ensemble learning method that builds multiple decision trees and merges them to improve accuracy and prevent overfitting.

    • Random Forest is a collection of decision trees that are trained on random subsets of the data.

    • Each tree in the Random Forest independently makes a prediction, and the final prediction is determined by a majority vote.

    • Random Forest is effective for classification and regression ta...

  • Answered by AI
  • Q4. What is confusion matrix
  • Ans. 

    Confusion matrix is a table used to evaluate the performance of a classification model.

    • It is a matrix with rows representing the actual class and columns representing the predicted class.

    • It helps in understanding the performance of the model by showing true positives, true negatives, false positives, and false negatives.

    • It is commonly used in machine learning to evaluate the accuracy of a classification model.

    • Example: ...

  • Answered by AI
  • Q5. What is a recurrent neural network
  • Ans. 

    A recurrent neural network (RNN) is a type of neural network designed to handle sequential data by maintaining a memory of previous inputs.

    • RNNs have loops that allow information to persist, making them suitable for tasks like speech recognition, language translation, and time series prediction.

    • They can process inputs of variable length and are capable of learning patterns in sequences.

    • RNNs suffer from the vanishing gra...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Be strong in algorithms

Skills evaluated in this interview

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. About my platform related
  • Q2. Abot my platform related
Round 3 - Coding Test 

UI design and crud operation tasks

Round 4 - HR 

(1 Question)

  • Q1. Salary discussion fully connected

Interview Preparation Tips

Interview preparation tips for other job seekers - Keep trying , work smart
complete all rounds with your clam mind

Top trending discussions

View All
Interview Tips & Stories
1w (edited)
a team lead
Why are women still asked such personal questions in interview?
I recently went for an interview… and honestly, m still trying to process what just happened. Instead of being asked about my skills, experience, or how I could add value to the company… the questions took a totally unexpected turn. The interviewer started asking things like When are you getting married? Are you engaged? And m sure, if I had said I was married, the next question would’ve been How long have you been married? What does my personal life have to do with the job m applying for? This is where I felt the gender discrimination hit hard. These types of questions are so casually thrown at women during interviews but are they ever asked to men? No one asks male candidates if they’re planning a wedding or how old their kids are. So why is it okay to ask women? Can we please stop normalising this kind of behaviour in interviews? Our careers shouldn’t be judged by our relationship status. Period.
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OptiSol Business Solutions Interview FAQs

How many rounds are there in OptiSol Business Solutions interview?
OptiSol Business Solutions interview process usually has 2-3 rounds. The most common rounds in the OptiSol Business Solutions interview process are Technical, Coding Test and Resume Shortlist.
How to prepare for OptiSol Business Solutions interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at OptiSol Business Solutions. The most common topics and skills that interviewers at OptiSol Business Solutions expect are Javascript, Python, SQL, Internship and AWS.
What are the top questions asked in OptiSol Business Solutions interview?

Some of the top questions asked at the OptiSol Business Solutions interview -

  1. Selenium problem solving methods we follo...read more
  2. What are the basic concepts of Machine Learni...read more
  3. What is a recurrent neural netw...read more
How long is the OptiSol Business Solutions interview process?

The duration of OptiSol Business Solutions interview process can vary, but typically it takes about less than 2 weeks to complete.

Tell us how to improve this page.

Overall Interview Experience Rating

3.5/5

based on 14 interview experiences

Difficulty level

Easy 20%
Moderate 70%
Hard 10%

Duration

Less than 2 weeks 100%
View more

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