Navi Technologies Business Analyst Interview Questions and Answers

The weight of an aircraft is crucial for its performance and safety.

• The weight of an aircraft includes the weight of the aircraft itself, fuel, passengers, cargo, and any other equipment on board.

• The weight of an aircraft is measured in pounds or kilograms.

• The weight of an aircraft affects its takeoff and landing performance, as well as its fuel efficiency and range.

• Aircraft manufacturers provide maximum takeoff and la...read more

SQL query to get top 100 Uber drivers by city

• Join drivers and users tables on city

• Aggregate driver ratings and count of rides

• Order by rating and count of rides

• Limit to top 100

Optimizing the listing of Restaurants on Swiggy involves using data-driven strategies to improve visibility, relevance, and user experience.

• Analyze user behavior and preferences to understand their needs and preferences

• Implement a ranking algorithm based on factors like ratings, reviews, popularity, and delivery time

• Optimize search functionality to ensure accurate and relevant results

• Collaborate with restaurants to imp...read more

Linear Regression is used for continuous data while Logistic Regression is used for categorical data.

• Linear Regression predicts continuous values while Logistic Regression predicts probabilities.

• Linear Regression uses a straight line to fit the data while Logistic Regression uses an S-shaped curve.

• Linear Regression uses Mean Squared Error as the cost function while Logistic Regression uses Log Loss.

• Linear Regression is...read more

Bias-Variance trade-off is the balance between overfitting and underfitting. High bias models are simple but inaccurate, low variance models are complex but overfit.

• Bias-Variance trade-off is a fundamental concept in machine learning.

• High bias models are simple and have low variance, but are inaccurate.

• Low bias models are complex and have high variance, but can overfit the data.

• Examples of high bias models are linear r...read more

Possible reasons for a car manufacturer's decline in profits by 40% year over year

• Decreased demand for cars due to economic downturn

• Increased competition from other car manufacturers

• Rising production costs and expenses

• Decline in consumer confidence and spending

• Changes in government regulations impacting the automotive industry

I will highlight the benefits of our tablets for children's education and offer discounts or promotions to attract parents.

• Emphasize the educational benefits of our tablets

• Offer discounts or promotions to attract parents

• Provide testimonials from satisfied parents

• Partner with schools or educational institutions to promote our tablets

• Create engaging and informative marketing materials targeted towards parents

• Offer a tria...read more

Bubble sort is a simple sorting algorithm that repeatedly steps through the list, compares adjacent elements and swaps them if they are in the wrong order.

• Start from the first element and compare it with the next element

• If the first element is greater than the next element, swap them

• Repeat this process for all elements in the list

• Continue this process until no more swaps are needed

A Turing Machine is a theoretical device that can simulate any algorithmic computation.

• It was proposed by Alan Turing in 1936 as a model for computation.

• It consists of a tape, a head that can read and write symbols on the tape, and a set of rules for transitioning between states.

• It can simulate any algorithmic computation, making it a powerful tool for theoretical computer science.

• It is often used as a theoretical basi...read more

A hash function is a mathematical function that converts input data of arbitrary size into a fixed-size output.

• Hash functions are used to index data in hash tables.

• They are also used in cryptography to securely store passwords.

• Examples of hash functions include MD5, SHA-1, and SHA-256.