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YouTube

Solving a Bank Interview Math Puzzle - Analyzing 3x3 Grid Sequences

Wrath of Math via YouTube

Overview

Watch a 19-minute mathematical analysis video that tackles a challenging interview question from a major Canadian bank involving pattern recognition in 3x3 grid sequences. Explore multiple approaches to solving this puzzle, from analyzing implicit sequences and column counts to examining dot layouts. Learn why certain answer options could be defended through different logical frameworks, while understanding the potential flaws in using such abstract pattern questions in job interviews. Break down the problem-solving process step by step, from identifying the most obvious solution to discussing why some interpretations might be considered a stretch.

Syllabus

Intro
Implicit Sequences
Most Obvious Solution
Counting Columns
Dot Layout
Defending Option 1
Such a Stupid Question
Defending Option 4
Huge Stretch

Taught by

Wrath of Math

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