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🧮 Mental maths & logic

Test your knowledge with our "Mental maths & logic" quiz: 36 questions, 10 drawn at random every game, 20 seconds per question. The faster you answer, the more points you score. At the end, send the challenge to your friends: they play the same questions and see the score to beat.

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Sample questions

  1. What is 7 × 8?
    56 · 54 · 64 · 48
    Show the answer56 : A times table that often trips people up.
  2. What is half of 250?
    125 · 120 · 150 · 105
    Show the answer125 : 250 ÷ 2 = 125.
  3. What is 12 × 5?
    60 · 50 · 70 · 65
    Show the answer60 : 10 × 5 + 2 × 5.
  4. How many days are in a non-leap year?
    365 · 366 · 360 · 364
    Show the answer365 : 366 in a leap year.
  5. What is 15 × 15?
    225 · 215 · 250 · 205
    Show the answer225 : 15² = 225.
  6. Which number comes next: 1, 4, 9, 16, …?
    25 · 20 · 24 · 32
    Show the answer25 : Squares: 1², 2², 3², 4², 5².
  7. How many seconds are there in an hour?
    3,600 · 360 · 6,000 · 600
    Show the answer3,600 : 60 × 60.
  8. What is 0.5 × 0.5?
    0.25 · 1 · 0.5 · 2.5
    Show the answer0.25 : Half of a half.
  9. A car drives at 90 km/h. How far does it go in 20 minutes?
    30 km · 45 km · 18 km · 20 km
    Show the answer30 km : 20 minutes is a third of an hour.
  10. 5 machines make 5 items in 5 minutes. How long do 100 machines take to make 100 items?
    5 minutes · 100 minutes · 20 minutes · 1 minute
    Show the answer5 minutes : Each machine makes one item in 5 minutes.
  11. A price goes up 10%, then down 10%. Compared with the start, it is…
    1% lower · The same · 1% higher · 10% lower
    Show the answer1% lower : 100 → 110 → 99.
  12. What is 999 + 999?
    1,998 · 1,988 · 2,000 · 1,899
    Show the answer1,998 : 1,000 + 1,000 − 2.

Frequently asked questions

Is the "Mental maths & logic" quiz free?

Yes. Every QuizzMatch quiz is free, with no sign-up and no app to install. All you need is a browser, on your phone or computer.

How many questions are in the "Mental maths & logic" quiz?

36 questions across three levels (easy, medium, hard). Each game draws 10 at random, so no two games are the same.

How do you score points?

Every right answer scores points, with a bonus if you answer quickly. On hard, the timer is shorter but the bonus is bigger.

Can I play against friends?

Yes. At the end of a game, share the challenge link: your friends play exactly the same questions and see the score to beat. Duel mode also lets you play live, each on your own phone.

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