Puzzle-centric drill set for DV interviews: exact reasoning for brain teasers, probability, digital logic construction, and fast bug forensics under pressure.
Classic Brain Teasers — 6 puzzles
Probability Puzzles — 6 puzzles
Digital Logic Puzzles — 6 puzzles
Debugging Riddles — 6 puzzlesOpen each topic and attempt every puzzle cold, writing your predicted answer first.
Only then read the step-by-step solution and confirm the exact answer.
Re-read the 'why candidates get it wrong' note — that is the actual interview signal.
Finish with the section Q&A to rehearse explaining the rule out loud.