Question
Which approach is most effective in leveraging data for
fraud detection in financial transactions?Solution
In fraud detection, historical transaction data is vital for identifying anomalies that suggest fraudulent behavior. Data analysts employ machine learning algorithms and statistical models to detect unusual patterns in transaction data, such as atypical spending or high-frequency transactions. Techniques like supervised learning (for known fraud cases) and unsupervised learning (for anomaly detection) enhance fraud prevention by adapting to evolving fraud tactics, making this approach crucial for risk management in finance. Option A is incorrect as random sampling is insufficient for effective fraud detection. Option C is incorrect because demographic data alone doesn’t highlight transaction irregularities. Option D is incorrect as static models fail to capture dynamic fraud patterns. Option E is incorrect since machine learning enhances fraud detection capabilities significantly.
- Determine the smallest perfect square that is exactly divisible by 9, 15, 20, and 35. Then, find the remainder when this perfect square is divided by 88.
- If '48x2y' is a five-digit number which is divisible by 72, then find the value of (x - y).
- Find the median of the following observations:
13, 14, 12, 15, 11, 16, 19, 10, 20, 18, 17 Find the sum of the first 25 even natural numbers.
Find the difference between minimum and maximum value of 'f' such that '2f4896' is always divisible by 3.
If a number is decreased by 30 and divided by 12, the result is 20. What would be the result if 200 is subtracted from that number and then it is divide...
What should come in place of the question mark (?) in the following question?
3/8 × 4/7 ? = 5376
Find the least 4-digit number which, when divided by 14, 35, and 20, leaves a remainder of 9 in each case.
When a number is divided by 35 remainder is 23. Find the remainder when three times of the same number is divided by 35.