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10+ Bosch Global Software Technologies Interview Questions and Answers

Updated 23 Jul 2024

Q1. Find All Pairs Adding Up to Target

Given an array of integers ARR of length N and an integer Target, your task is to return all pairs of elements such that they add up to the Target.

Input:

The first line conta...read more
Ans.

Find all pairs of elements in an array that add up to a given target.

  • Iterate through the array and use a hashmap to store the difference between the target and current element.

  • Check if the current element exists in the hashmap, if so, print the pair.

  • If no pair is found, print (-1, -1).

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Q2. Sudoku Solver

Given a 9x9 Sudoku board, your task is to fill the empty slots and return the completed Sudoku solution.

A Sudoku is a grid composed of nine 3x3 smaller grids. The challenge is to fill in the numb...read more

Ans.

Implement a Sudoku solver to fill empty slots in a 9x9 grid with numbers 1-9 satisfying constraints.

  • Create a recursive function to solve the Sudoku puzzle by trying out different numbers in empty slots.

  • Use backtracking to backtrack and try a different number if a conflict is encountered.

  • Ensure each number appears only once per row, column, and 3x3 grid.

  • Return the completed Sudoku grid as the output.

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Q3. Cycle Detection in a Singly Linked List

Determine if a given singly linked list of integers forms a cycle or not.

A cycle in a linked list occurs when a node's next points back to a previous node in the list. T...read more

Ans.

Detect if a singly linked list forms a cycle by checking if a node's next points back to a previous node.

  • Traverse the linked list using two pointers, one moving one step at a time and the other moving two steps at a time.

  • If the two pointers meet at any point, it indicates the presence of a cycle in the linked list.

  • If one of the pointers reaches the end of the list (null), it means there is no cycle in the linked list.

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Q4. In binomial distribution what happens when "n" tends to infinity?

Ans.

As n tends to infinity in binomial distribution, it approaches a normal distribution.

  • As n tends to infinity, the shape of the binomial distribution curve becomes more symmetrical.

  • The mean and variance of the binomial distribution approach the mean and variance of a normal distribution.

  • The central limit theorem states that as n approaches infinity, the distribution of sample means approaches a normal distribution.

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Q5. How to resolve issues in workplace

Ans.

Resolve workplace issues through open communication, collaboration, and problem-solving

  • Encourage open communication between team members

  • Address conflicts promptly and professionally

  • Seek input from all parties involved in the issue

  • Collaborate on finding solutions that benefit everyone

  • Implement clear policies and procedures for resolving conflicts

  • Provide training on conflict resolution and communication skills

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Q6. Difference between data warehouse and database

Ans.

Data warehouse is used for analysis and reporting, while database is used for transactional processing.

  • Data warehouse stores historical data for analysis, while database stores current data for transactional processing.

  • Data warehouse is optimized for read-heavy workloads, while database is optimized for write-heavy workloads.

  • Data warehouse typically involves data from multiple sources and is denormalized, while database is usually normalized for efficient storage and retrieva...read more

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Q7. What does det(A- lamda*I) = 0 represent?

Ans.

det(A- lamda*I) = 0 represents the characteristic equation of a matrix A.

  • It represents finding the eigenvalues of matrix A.

  • It is used to solve for the values of lambda that satisfy the equation.

  • The equation is used to determine the behavior of the matrix under certain transformations.

  • Example: For a 2x2 matrix A, det(A- lamda*I) = 0 gives a quadratic equation to solve for eigenvalues.

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Q8. SQL query to find Set difference.

Ans.

SQL query to find Set difference between two tables.

  • Use the EXCEPT keyword in SQL to find the set difference between two tables.

  • The EXCEPT keyword returns rows from the first table that are not present in the second table.

  • Example: SELECT column_name FROM table1 EXCEPT SELECT column_name FROM table2;

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Q9. How much I know Python

Ans.

I have intermediate knowledge of Python and have used it for scripting, automation, and data analysis.

  • I have experience writing Python scripts for automating tasks in my previous roles.

  • I have used Python for data analysis and visualization using libraries like Pandas and Matplotlib.

  • I am familiar with Python's syntax, data structures, and object-oriented programming concepts.

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Q10. Do you follow the design system?

Ans.

Yes, I follow the design system to ensure consistency and efficiency in the UI/UX design process.

  • I consistently refer to the design system guidelines for color schemes, typography, spacing, and other design elements.

  • I collaborate with developers to ensure the design system is implemented correctly in the final product.

  • I update the design system as needed based on user feedback and design trends.

  • Following the design system helps maintain brand consistency and improves user exp...read more

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Q11. How to tune synapse tables

Ans.

Synapse tables can be tuned by optimizing query performance and adjusting table properties.

  • Identify frequently used queries and optimize them for better performance

  • Adjust table properties such as partitioning, indexing, and compression

  • Regularly monitor and analyze table performance to identify areas for improvement

  • Consider using caching mechanisms to reduce query times

  • Collaborate with database administrators and other stakeholders to ensure optimal table performance

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Q12. How to tune slow reports

Ans.

Slow reports can be tuned by optimizing queries, indexing tables, and reducing data retrieval.

  • Identify the slowest queries and optimize them

  • Index the tables to improve query performance

  • Reduce the amount of data retrieved by filtering or aggregating

  • Consider caching frequently accessed data

  • Use query profiling tools to identify bottlenecks

  • Upgrade hardware or database software if necessary

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Q13. Explain K2S hypothesis testing

Ans.

K2S hypothesis testing is a statistical method used to compare two groups or samples.

  • K2S hypothesis testing involves comparing the means of two groups to determine if they are significantly different.

  • It is commonly used in research studies to test the effectiveness of a new treatment or intervention.

  • The test calculates a p-value, which indicates the probability of obtaining the observed results if the null hypothesis is true.

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Q14. Data structures in python

Ans.

Data structures in Python are used to store and organize data efficiently.

  • Python has built-in data structures like lists, tuples, dictionaries, and sets.

  • Lists are ordered and mutable, tuples are ordered and immutable, dictionaries are unordered key-value pairs, and sets are unordered unique elements.

  • Data structures can be nested within each other to create complex data structures.

  • Python also has libraries like NumPy and Pandas for more advanced data structures like arrays and...read more

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Q15. What is your design process?

Ans.

My design process involves research, ideation, prototyping, testing, and iteration to create user-centered solutions.

  • Research: Gather information about users, goals, and competitors.

  • Ideation: Brainstorm and generate ideas for design solutions.

  • Prototyping: Create low-fidelity and high-fidelity prototypes to visualize concepts.

  • Testing: Conduct usability testing to gather feedback and insights.

  • Iteration: Refine designs based on feedback and iterate until optimal solution is achi...read more

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Q16. Explain about dual axis in tableau

Ans.

Dual axis in Tableau allows for combining two different measures on the same axis for better comparison.

  • Dual axis allows for comparing two measures on the same chart

  • Each measure can have its own scale, allowing for better visualization

  • Different chart types can be used for each measure, such as bars and lines

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