American Express Analyst Interview Questions and Answers

Find the total number of possible combinations in the given order.

• The value of a+b is 10, so a and b can be any two numbers that add up to 10.

• The value of a+b+c is also 10, so c can be any number that makes the sum of a, b, and c equal to 10.

• Similarly, the value of a+b+c+d is 10, so d can be any number that makes the sum of a, b, c, and d equal to 10.

• To find the total number of possible combinations, we need to consider all the possible values of a, b, c, and d that satisfy t...read more

The number of airplanes taking off from Delhi airport daily is not available.

• The exact number of airplanes taking off from Delhi airport each day is not publicly available.

• The number of flights can vary depending on the day of the week and time of day.

• Factors such as weather conditions and air traffic can also affect the number of flights.

• However, Delhi airport is one of the busiest airports in India and handles a large number of domestic and international flights.

• In 2019, th...read more

Estimating the number of American Express credit card users in India based on business acumen

• Consider the market share of American Express in India compared to other credit card companies

• Analyze the population size and income levels in India to estimate the potential number of credit card users

• Look at the growth trends in the credit card industry in India to make a projection

• Consider the marketing strategies and partnerships of American Express in India

XGBoost is a popular machine learning algorithm known for its speed and performance in handling large datasets.

• XGBoost stands for eXtreme Gradient Boosting, which is an optimized implementation of gradient boosting.

• It is based on the gradient boosting framework and uses decision trees as base learners.

• XGBoost is known for its speed and performance due to its efficient implementation of parallel processing and tree pruning techniques.

• It is widely used in machine learning compe...read more

Amex makes money primarily through fees charged to merchants and cardholders, interest on outstanding balances, and membership fees.

• Amex charges merchants a fee for accepting their cards, known as interchange fees.

• Cardholders pay annual fees, late fees, and interest on balances carried over from month to month.

• Amex also earns revenue from its network services, such as foreign exchange fees and travel-related services.

• The company may also generate income from partnerships with...read more