Zetapro

Arithmetic Game

Answer as many as you can before time runs out. An answer is taken the instant it's right — no Enter needed.

Range:( to )+( to )
Addition problems in reverse.
Range:( to )×( to )
Multiplication problems in reverse.

Drill

Timed rounds built from what slows you down. Drills flag wrong digits in red as you type; classic games don't, just like Zetamac.

Stats

80 in 8

An Optiver-style mental maths screen: 80 multiple-choice questions in 8 minutes, no calculator. Whole numbers, decimals, fractions and missing-number questions.

The test

  • 80 questions, 8:00 on the clock: about 6 seconds each.
  • 4 options per question. Press 1–4 or click.Tap one. Picking an answer moves on, and there's no going back.
  • Scoring: +1 right, wrong.

Optiver has never published the exact format. This follows the most common candidate reports: four options, +1 / −1, no skipping, and a pass line around 55 net. Some reports say −2 per wrong answer instead.

Score
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