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Mental Math Quiz #839

#839 · 10 questionsArchive: not ranked
How to play
  • Press Start for the first of ten questions. The clock starts with it and stops at your last answer.
  • Each question is a sum to work out in your head: adding, subtracting, multiplying, dividing or a percentage.
  • Tap an answer, or press 1 to 4 (or A to D) on a keyboard. Answers are final: you see the right one and a one-line explanation, then press Next.
  • Most correct answers ranks first, then the fastest time. Only a member’s first finished quiz of the day counts for the leaderboard.

Mental Math Quiz #839 is the quiz from Monday, October 19, 2026 (10 questions). Archive quizzes count toward your statistics, not your streak or the leaderboard.

Archive games count toward your statistics, not your streak or the leaderboards.

About Mental Math Quiz #839

Mental Math Quiz #839 was the quiz for Monday, October 19, 2026: 10 questions: 4 easy, 3 medium and 3 hard. Everyone who played Mental Math Quiz that day got the same quiz, and it stays here to play for 60 days.

The questions of Mental Math Quiz #839

  1. What is double 46?
  2. What is double 26?
  3. What is 34 − 20?
  4. What is double 36?
  5. What is 392 + 394?
  6. What is 25% of 120?
  7. What is 12 × 9?
  8. What is 8 + 4 × 7?
  9. What is 9 × 4 − 6?
  10. What is 8 × 8 − 4?

The answer options and the answers appear only when you play the quiz, one question at a time.

New to Mental Math Quiz? The rules, tips and common questions are on the Mental Math Quiz page, and Mental Math Tricks for the Daily Quizzes goes into strategy.

Other days of Mental Math Quiz

Every day of the last 60 is in the puzzle archive.

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