Quiz · Quiz · 8 minute

Di odds

Ten question bout probabilitymathsProbabilityDi chance fi a result, fram 0 to 1 or 0% to 100%. One numba: 1/37 = 2.70%.Read di whole ting →, payout an expectation, pick out fram a pool a fifteen. Ansa, get yuh score, an get di page weh explain each one yuh miss.

Short ansa

Test wah yuh know bifo yuh bet pon it. Ten multiple-choice question, dem shuffle evry time. Score 8 or more an yuh know more dan di pamphlet dem; unda 5 an di Learn section a one good evenin.

question
10 outta 15
mark fi pass
8
weh people miss most
at least one hit inna 37
all ansa
pon dis site

Score

10: yuh coulda write dis site.

8–9: yuh undastand roulette betta dan nearly evrybaddy at di table.

5–7: solid; di Mathematics section wi full up di gap dem.

Unda 5: start wid “Ow fi play roulette” an “Roulette payoutmoney mattaPayoutWah a bet weh win gi yuh back, weh dem quote as “X to 1” on top a di stake weh come back.Read di whole ting → dem”, den come back.

Di question dem weh people miss most a di “at least one hit inna 37 spin” one (people seh “100%” or “bout 50%”) an di two-dozenbet demDozen1–12, 13–24 or 25–36, pay 2:1.Read di whole ting → one (people seh “two third” an figet zeropon di wheelZeroDi one green pocket weh no even-money, dozen or column bet nuh cover; a weh di house edge come fram. Nex name: single zero, 0.Read di whole ting →).

Fi reference: ow often each bet win% a spin
Straight up (1)
2.70%
Split (2)
5.41%
Street (3)
8.11%
Corner (4)
10.81%
Six line (6)
16.22%
Dozen / column (12)
32.43%
Even-money (18)
48.65%
% a spin
024.3248.65%
Evry bet a di numba dem it cover divide by 37. Di payout drop as di coverage go up, suh di expected value a di same −2.70% pon evry row.

Di nex quiz

Di history quiz pon di nex page cover Pascal, Blanc, Jagger an di 26 blackbet demBlackEven-money bet pon di 18 black numba. Inna French: noir.Read di whole ting → inna a row. It easier an more fun, an it nah save yuh nuh money.

Question dem

Wah mek people get di “at least one hit inna 37 spin” question wrong suh often?

Cause 37 chance at 1 outta 37 feel like a sure ting. It a 63.7%, an one numba outta tree still nuh show up afta 37 spin.

Trick question deh deh?

Di cornerbet demCornerFour numba weh share a corner pon di betting layout, pay 8:1.Read di whole ting →-edge question an di odd-one-out question togedda: evry standard bet have di same edge, except di American five-numba bet.

Sumting fi laugh

Fifteen question. Most a di ansa dem a 2.70%.

Fifteen question. Most a di ansa dem a 2.70%.

Source dem

  1. Ethier, S. N. The Doctrine of Chances: Probabilistic Aspects of Gambling. Springer, 2010. Chapter 13, roulette.
wi check it 2026-09-28model: European wheel, single zeroow wi work it out ↗source dem ↗