MasterCard Interview Questions, Process, and Tips for Experienced

2 case studies asked, from topics picked up from my CV

Q1. Another case study round
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Q1. Different ways of CRM?
Ans. 
Different ways of CRM include operational, analytical, and collaborative CRM.
• Operational CRM focuses on automating and improving customer-facing processes such as sales, marketing, and customer service.

• Analytical CRM uses data analysis to gain insights into customer behavior and preferences, allowing for more targeted marketing and personalized experiences.

• Collaborative CRM involves integrating customer data across dif...read more
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Q2. Types of financial statements and how to analyse financial statements and furure projections.
Ans. 
Financial statements include balance sheet, income statement, and cash flow statement. Analysis involves ratio analysis and trend analysis.
• Balance sheet shows assets, liabilities, and equity at a specific point in time

• Income statement shows revenue, expenses, and profit/loss over a period of time

• Cash flow statement shows cash inflows and outflows over a period of time

• Ratio analysis involves comparing financial ratios t...read more
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Q1. Cross border analysis of statements.
Ans. 
Cross border analysis of statements involves examining financial statements of companies operating in different countries.
• It helps identify potential risks and opportunities for investment

• It involves analyzing financial statements of companies operating in different countries

• Factors such as currency exchange rates, political stability, and regulatory environment are taken into consideration

• Example: Analyzing the financ...read more
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Q1. Financial analysis methods
Ans. 
Financial analysis methods include ratio analysis, trend analysis, and cash flow analysis.
• Ratio analysis involves comparing financial ratios to industry benchmarks or historical data.

• Trend analysis looks at changes in financial data over time to identify patterns and potential future outcomes.

• Cash flow analysis examines the inflows and outflows of cash to determine a company's liquidity and ability to meet financial ob
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Q1. Implement lag() and lead() without using lag() or lead()
Ans. 
Implement lag() and lead() functions without using lag() or lead()
• To implement lag(), shift the values in the array by one position to the right

• To implement lead(), shift the values in the array by one position to the left

• For example, to implement lag() on [1, 2, 3, 4], you can shift the values to get [null, 1, 2, 3]

• For lead(), you can shift the values to get [2, 3, 4, null]
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Q2. How will you go about optimising a query?
Ans. 
Optimising a query involves identifying bottlenecks and improving efficiency.
• Identify slow-performing queries using tools like query execution plans.

• Optimize database indexes to speed up query performance.

• Limit the number of columns and rows returned in the query.

• Avoid using SELECT * and instead specify only the necessary columns.

• Use appropriate data types and avoid unnecessary data conversions.

• Consider denormalizing d...read more
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Q3. If the 3rd position in a string contains 'b' replace it with 'v'
Ans. 
Replace 'b' with 'v' in the 3rd position of each string in an array
• Iterate through each string in the array

• Check if the 3rd position contains 'b'

• If yes, replace 'b' with 'v'
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Try solving more hackerrank problems

Q1. Deep knowledge of java 8 required and dbms basic.
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Q2. Deep knowledge of springboot required
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Q1. Scenario based questions,
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Q2. Description of tough critical situation?
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Q1. Collection , basic java
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Q2. Springboot annotations
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