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This is a verified interview question from Flipkart-grid-8.0. Candidates reporting seeing this problem in recent Online Assessments (OAs) and onsite rounds. Mastering "Fraudulent Transaction Detection" covers key patterns like Other.
"The bank wants to identify successful transactions that may be fraudulent. The bank stores account formation data, merchant profiles, device activities, and location risks. The fraud risk must be calculated using account transaction behavior. Given a list of transactions, a list of merchants, a list of device activities, and a list of location risks, determine the risk level of each transaction."
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