Polestar Solutions & Services India Business Analyst Interview Questions and Answers

Moderate-level questions from Quants, verbal, Reasoning, and Some basic programming language questions.

Abstract GD was conducted

Q1. Tell me about yourself
Ans. 
I am a detail-oriented business analyst with a strong background in data analysis and problem-solving.
• Experienced in gathering and analyzing business requirements

• Skilled in creating data models and visualizations

• Proficient in using tools like SQL, Excel, and Tableau

• Strong communication and presentation skills

• Certified in business analysis (e.g. CBAP)

• Previous projects include optimizing supply chain processes for a reta
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Q2. Explain your projects
Ans. 
I have worked on various projects involving data analysis, process improvement, and system implementation.
• Implemented a new CRM system to streamline customer data management

• Conducted data analysis to identify trends and make recommendations for cost savings

• Collaborated with cross-functional teams to improve business processes
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We have given 12 puzzles on hackerearth based on probability and statistics and have to solve in 45 minutes

Q1. There is a biased dice with the probability of 1 and 2 is 25% each. Find the probability of even number.
Ans. 
The probability of rolling an even number on a biased dice with 25% chance for 1 and 2 is 50%.
• The biased dice has a 25% chance for rolling a 1 and a 25% chance for rolling a 2, totaling 50% for odd numbers.

• Since there are only two odd numbers on a dice (1 and 2), the probability of rolling an even number is 50%.

• The probability of rolling an even number on a standard dice is 50% as well, since there are 3 even numbers o
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Q2. What is the pdf and pmf?
Ans. 
PDF stands for Probability Density Function and PMF stands for Probability Mass Function.
• PDF is used for continuous random variables while PMF is used for discrete random variables.

• PDF represents the probability distribution of a continuous random variable.

• PMF represents the probability distribution of a discrete random variable.

• Example: PDF can be used to calculate the probability of a random variable falling within a...read more
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Q1. Related to Role and CV
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Q1. With the client. Current roles and responsibility and technical.
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APTITUDE TEST ON MATHEMATICAL QNS

Q1. SPEED AND DISTANCE
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Q2. PROFIT N LOSS NUMBER SYSTEM
Ans. 
Profit and loss number system is a method used to calculate the financial performance of a business.
• Profit is the positive difference between revenue and expenses.

• Loss is the negative difference between revenue and expenses.

• Net profit is the total profit after deducting all expenses.

• Net loss is the total loss after deducting all expenses.

• Profit and loss statement shows the financial performance of a business over a spe
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