Find patterns in numeric sequences quickly
Company: Optiver
Role: Software Engineer
Category: Statistics & Math
Difficulty: easy
Interview Round: Technical Screen
Solve pattern-finding sequence questions quickly without a calculator and explain the rule you detect for each: a) 3, 6, 12, 24, ? b) 2, 3, 5, 7, 11, ? c) 1, 4, 9, 16, ? d) 1, 2, 4, 7, 11, 16, ? If your first pass yields no clear pattern, state a skipping strategy and how you would return efficiently.
Quick Answer: This question evaluates pattern recognition, numerical reasoning, and rapid logical deduction by asking for the next terms in both simple and irregular number sequences.