PMI Electro Mobility Solutions Junior Engineer Interview Questions and Answers

Q1. Tell me about yourself.
Add your answer

Q1. What do you think we do at Impact Guru
Add your answer
Q2. Give a brief introduction about yourself
Add your answer

Basic on PHP and Javascript should be clear
Laravel framework based questions

Algo, basic Javascript

Q1. Technical and Fitment round
Add your answer

Q1. Difference between rank and dense rank
Ans. 
Rank assigns unique ranks to each distinct value, while dense rank does not leave gaps between ranks.
• Rank assigns unique ranks to each distinct value in a dataset

• Dense rank does not leave gaps between ranks, assigning consecutive ranks to values with the same rank

• For example, if values are 10, 20, 20, 30, then rank would be 1, 2, 2, 4 and dense rank would be 1, 2, 2, 3
Answered by AI
Add your answer
Q2. How will merge multiple file in python
Ans. 
Merge multiple files in Python using pandas.concat() or pd.merge() functions.
• Use pandas.concat() function to merge multiple files vertically (row-wise).

• Use pd.merge() function to merge multiple files horizontally (column-wise) based on a common column.

• Ensure that the files have compatible column names and data types before merging.

• Handle any missing or duplicate values appropriately during the merging process.

• Consider ...read more
Answered by AI
Add your answer
Q3. Data frame explain in detail
Ans. 
A data frame is a two-dimensional data structure in which data is stored in rows and columns.
• Data frames are commonly used in programming languages like R and Python for data analysis.

• Each column in a data frame represents a variable, while each row represents an observation.

• Data frames can contain different types of data, such as numeric, character, and factor.

• Data frames can be created from various sources like CSV f
Answered by AI
Add your answer

Q1. 2 code and 2 MySQL query
Add your answer

Q1. Tell me about yourself
Ans. 
I am a passionate software developer with experience in Java, Python, and web development.
• Graduated with a degree in Computer Science

• Worked on various projects using Java and Python

• Familiar with web development technologies like HTML, CSS, and JavaScript
Answered by AI
Add your answer

General aptitude focused on mathematics.

Q1. Sql questions mostly about windows function, aggregate, using having clause in group, union vs union all, mostly basics about sql.
Add your answer
Q2. Power Bi questions - measures in powerbi, calculate, dashboard, excel vs powerbi.
Add your answer
Q3. Assesment 5 question based on sql and excel. Easy questions like second highest salary, manager salary, count a's.
Add your answer