American Express Interview Questions, Process, and Tips

Three sections of apti, ML and Case study

Q1. Factors to account for ATM placements in city?
Ans. 
Factors such as foot traffic, proximity to banks, crime rates, and demographics should be considered for ATM placements in a city.
• Foot traffic in the area

• Proximity to banks or financial institutions

• Crime rates in the neighborhood

• Demographics of the area (income levels, age groups)

• Accessibility and visibility of the location

• Local regulations and zoning laws

• Availability of power and network connections

• Competition from ot...read more
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Q1. 1) Difference between Inner join and outer join. Explain it to a non technical person
Ans. 
Inner join combines only matching rows from two tables, while outer join includes all rows from one table and only matching rows from the other.
• Inner join only includes rows that have matching values in both tables

• Outer join includes all rows from one table and only matching rows from the other

• Example: Inner join would return only customers who have made a purchase, while outer join would return all customers with thei
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Q1. How would you decide if a person can be a customer of a private jet company
Ans. 
To determine if a person can be a customer of a private jet company, factors such as income level, travel frequency, and location must be considered.
• Consider the individual's income level to determine if they can afford private jet services

• Evaluate the person's travel frequency to see if they would benefit from the convenience of private jet travel

• Take into account the person's location and travel destinations to asses
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Data Interpretations, MCQs ,etc

Q1. What is the difference between Bagging and boosting ?
Ans. 
Bagging and boosting are ensemble learning techniques used to improve the performance of machine learning models by combining multiple weak learners.
• Bagging (Bootstrap Aggregating) involves training multiple models independently on different subsets of the training data and then combining their predictions through averaging or voting.

• Boosting involves training multiple models sequentially, where each subsequent model c...read more
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Q2. Estimate the number of credit cards in India?
Ans. 
The number of credit cards in India can be estimated based on population, income levels, banking penetration, and consumer spending habits.
• Estimate based on population size and percentage of population with access to banking services

• Consider income levels and consumer spending habits to gauge demand for credit cards

• Look at the number of active credit card users in India and extrapolate to estimate total number of credi...read more
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Q1. What does Analyst do?
Ans. 
Analysts gather, interpret, and present data to help organizations make informed decisions.
• Analyze data to identify trends and patterns

• Create reports and presentations to communicate findings

• Provide recommendations based on data analysis

• Use tools like Excel, SQL, and Tableau for data analysis

• Work closely with stakeholders to understand business needs
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Q2. Basic Puzzle questions
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Q1. Introduction should be very short.
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Q2. Why you are looking for change?
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Q3. What is the reason you think you are fit for this position.
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Q1. Be specific about your roles and responsibility.
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Q2. What is the Technical tools you have used.
Ans. 
I have experience using tools such as Microsoft Excel, SQL, Tableau, and Jira.
• Microsoft Excel

• SQL

• Tableau

• Jira
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Q1. What is your current job
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Q2. What is your current salary
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