Mental Math · Optiver-style
80-in-8
Eighty arithmetic questions. Eight minutes. No calculator, no scratch paper. Modeled on the Optiver trader-candidate assessment.
Rules
How it works
- Format 80 questions, multiple choice with 4 options. One question on screen at a time.
- Time 8 minutes total — about 6 seconds per question.
- Scoring +1 for a correct answer. -2 for a wrong answer or a skipped question. Negative scores are possible.
- Content Whole numbers, decimals (up to 2dp), fractions, fraction-decimal conversions, and simple algebra. Mental arithmetic only.
- Pass A net score of 56 is the rough Optiver pass threshold. 70+ is competitive.