Solve numeric sequence pattern puzzles

This question evaluates pattern recognition and quantitative reasoning skills, requiring identification of numeric relationships, series properties, and simple number-theoretic or arithmetic transformations.

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Optiver

Aug 13, 2025, 12:00 AM

Software Engineer

Take-home Project

Statistics & Math

0

Sequence Prediction Task

You are given five independent number sequences. For each, determine the next term and briefly explain the rule you used. Assume a single, consistent rule per sequence.

20, 40, 50, 110, 115, 215, ?
15, 35, 45, 105, 110, 210, ?
4, 3, 7, 9, 10, 27, ?
3, 7, 13, 19, 29, 37, ?
19, 18, 20, 60, 15, 14, 16, ?

Solve numeric sequence pattern puzzles

Sequence Prediction Task

Solution

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Solve numeric sequence pattern puzzles

Overview

Sequence Prediction Task

Solution

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