Vivifi Interview Questions and Answers

Q1. Describe projects?
Ans. 
I have worked on various projects ranging from data analysis to machine learning models.
• Developed a sentiment analysis model using natural language processing techniques

• Implemented a recommendation system based on collaborative filtering algorithm

• Worked on a predictive maintenance project for optimizing equipment performance
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Q2. Explain architecture of Efficient-nets
Ans. 
EfficientNets are a family of convolutional neural networks that have been designed to achieve state-of-the-art accuracy with fewer parameters and FLOPS.
• EfficientNets use a compound scaling method to balance network depth, width, and resolution for optimal performance.

• They are based on a baseline network architecture called EfficientNet-B0, which is then scaled up to create larger models like EfficientNet-B1, Efficient...read more
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Q3. Explain transformers architecture
Ans. 
Transformers architecture is a deep learning model that uses self-attention mechanism to process sequential data.
• Transformers consist of an encoder and a decoder, each composed of multiple layers of self-attention and feed-forward neural networks.

• Self-attention mechanism allows the model to weigh the importance of different input tokens when making predictions.

• Transformers have achieved state-of-the-art performance in ...read more
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Q4. Longest sub array question in python.
Ans. 
Find the longest subarray of strings in a given array.
• Iterate through the array and keep track of the current subarray length.

• Reset the subarray length when encountering a non-string element.

• Return the length of the longest subarray found.
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Q1. About family and past life
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Q2. Past internships and learnings
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Q3. College life and what they expect.
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Q1. Company profile
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Q2. What is travel and tourism
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Q1. What is a dmc?
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Q2. Disadvantages faced by a dmc
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Q1. Criteria based questions
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Q2. Situation handling questions
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Q1. Introduction yourself in details covering each points
Ans. 
Experienced cluster manager with a proven track record in team leadership and strategic planning.
• Over 5 years of experience in managing multiple teams and projects simultaneously

• Strong leadership skills with the ability to motivate and inspire team members

• Expertise in strategic planning and execution to achieve organizational goals

• Excellent communication and interpersonal skills for effective team collaboration

• Proven t...read more
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Q2. Location can be for new hotels for max revenue
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Q1. Talk about your work experience. Detailed questions about projects that I worked on.
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Q2. Why are you interested in switching.
Ans. 
Seeking new challenges and growth opportunities in a dynamic field.
• Interested in leveraging my skills and experience in a new environment

• Excited about the potential to work on innovative products

• Looking for opportunities to expand my knowledge and expertise
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Q3. Do you use any food delivery apps frequently? What would you improve in Swiggy?
Ans. 
Yes, I frequently use food delivery apps like Swiggy.
• I use Swiggy at least a few times a week for ordering food.

• I appreciate the wide variety of restaurants and cuisines available on Swiggy.

• Improvement suggestion: Enhance the user interface for a smoother ordering experience.

• Improvement suggestion: Implement a more accurate delivery time estimation system.

• Improvement suggestion: Offer more personalized recommendations
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Q4. What is northstar metric, what would be northstar metric for Swiggy
Ans. 
Northstar metric is the key metric that drives the core value of a product. For Swiggy, the northstar metric could be Daily Active Users (DAU) or Orders per User.
• Northstar metric is the single metric that best captures the core value that your product delivers to customers.

• For Swiggy, the northstar metric could be Daily Active Users (DAU) as it represents the number of unique users who engage with the platform on a dai...read more
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Q1. Explain what you worked on, how did you grow the adoption of the feature.
Ans. 
I worked on improving the adoption of a new feature by conducting user research, implementing user feedback, and creating targeted marketing campaigns.
• Conducted user research to understand user needs and preferences

• Implemented user feedback to make necessary improvements to the feature

• Created targeted marketing campaigns to promote the feature to the right audience
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Q2. Design product to manage risks during an event. Sub-question- How would this change if the target market is tier 3 cities in India
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A random topic was given and we had to speak on it

Q1. Why do u want to join us
Ans. 
I am passionate about data science and believe your company offers a great opportunity for growth and learning.
• Passionate about data science

• Believe company offers growth and learning opportunities
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Q2. A guestimate question, how many tea cups are consumed daily in delhi
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Q1. What is Bias In ML?
Ans. 
Bias in ML refers to the systematic error in a model's predictions, leading to inaccurate results.
• Bias is the algorithm's tendency to consistently learn the wrong thing by not taking all factors into account.

• It can result from the data used to train the model being unrepresentative or skewed.

• Bias can lead to unfair or discriminatory outcomes, especially in sensitive areas like hiring or lending decisions.

• Examples inclu...read more
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Q2. Regression concept in ML
Ans. 
Regression in ML is a supervised learning technique used to predict continuous values based on input features.
• Regression models establish a relationship between dependent and independent variables.

• Common regression algorithms include linear regression, polynomial regression, and logistic regression.

• Evaluation metrics for regression models include Mean Squared Error (MSE) and R-squared.

• Example: Predicting house prices b...read more
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50 question in 15 mins

Q1. On site evaluation, where various tasks were given
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Q2. Why do u want to join us
Ans. 
I am passionate about data science and believe your company offers a great opportunity for growth and learning.
• I am passionate about data science and enjoy working with data to derive insights and make informed decisions.

• I believe your company is at the forefront of innovation in the field of data science, and I am excited about the opportunity to learn from experts in the industry.

• I am impressed by the projects your c...read more
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It was good , 2 questions are there to code.

Q1. Cs fundamental, Projects, coding.
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Q2. A simple coding question of string using map
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Q1. What is React router. what does it do.
Ans. 
React Router is a popular routing library for React applications.
• React Router is used for handling navigation in React applications.

• It allows defining multiple routes in the application and rendering different components based on the URL.

• React Router provides components like BrowserRouter, Route, Switch, and Link for routing.

• Example: will render the About component when the URL
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Q2. Questions based on react basics.
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Q1. Please introduce yourself.
Ans. 
I am a seasoned business executive with over 10 years of experience in leading successful teams and driving business growth.
• Over 10 years of experience in business leadership

• Proven track record of driving business growth

• Skilled in leading successful teams
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Q2. What do you know about Mycaptain?
Ans. 
Mycaptain is an online platform that offers mentorship programs for students in various fields.
• Provides mentorship programs in fields like coding, photography, writing, etc.

• Matches students with industry professionals as mentors

• Offers online courses and workshops for skill development

• Helps students gain practical knowledge and experience
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Q3. Why do you want come into sales?
Ans. 
I am passionate about building relationships, meeting new people, and helping customers find solutions to their needs.
• Enjoy interacting with people and building relationships

• Excited about helping customers find solutions

• Thrilled by the challenge of meeting sales targets
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Q4. Whi is our competitor?
Ans. 
Our main competitor is XYZ Corp, a well-established company in the industry.
• XYZ Corp has been in the market for over 10 years

• They offer similar products and services as us

• They have a strong customer base and brand recognition

• XYZ Corp has a larger market share compared to us
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Q5. How are we better than our competitor?
Ans. 
We offer a wider range of products and services, have better customer service, and provide more competitive pricing compared to our competitor.
• Wider range of products and services - we cater to a larger variety of customer needs

• Better customer service - our team is highly trained and dedicated to providing excellent support

• More competitive pricing - we offer lower prices without compromising on quality
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Aptitude is easy to score but