Roulette High / Low Bet
1–18 (low, manque) ya 19–36 (high, passe).

Payout 1:1, probabilityganitProbabilityKisi outcome ka chance, 0 se 1 tak ya 0% se 100% tak. Ek number: 1/37 = 2.70%.Poora padhein → 48.65%.
Chip kahan rakhein
Outside row ke dono siron par “1–18” aur “19–36” boxes. French layoutsaamanLayoutTable par chhapa betting grid. Doosre naam: table, felt, cloth.Poora padhein → par inpar manque (“chook gaya”: ballsaamanBallChhoti ball jo rotor ki ulti disha mein track par chhodi jaati hai. Aaj ki balls ivorine ya Teflon ki hoti hain, 18–21 mm.Poora padhein → 18 ko paar nahi kar paayi) aur passe (“paar”: kar gayi) likha hota hai. Har ek ko table minimum poora karna hota hai.
1–18 aur 19–36 ke roulette odds aur payout
Bilkul redbetRed18 red numbers par even-money bet. French mein: rouge.Poora padhein →/blackbetBlack18 black numbers par even-money bet. French mein: noir.Poora padhein → aur odd/even jaisa: fair odds 1.056 to 1, table 1 deti hai, edge 2.70%, ya la partageniyamLa partageFrench rule: zero aane par even-money stake ka aadha wapas milta hai. In bets par house edge aadha hokar 1.35% ho jaata hai.Poora padhein → ke saath 1.35%.
Wheel par
Rim par high aur low numbers lagbhag perfectly baari-baari aate hain, isliye yeh bet koi sectorwheelSectorWheel par pockets ka lagatar ek hissa (arc), layout ke kisi group se alag cheez.Poora padhein → cover nahi karti; yeh sirf layout ki grouping hai. ZerowheelZeroAkela green pocket jise koi even-money, dozen ya column bet cover nahi karta; house edge ka source. Doosre naam: single zero, 0.Poora padhein → se sequence dekhiye: 32 (high), 15 (low), 19 (high), 4 (low), 21 (high), 2 (low) aur aage aise hi.

37 spins mein roulette 19–36 ka payout
$10 prati spin par, 19–36 ki bet 37 average spins mein 18 baar jeetti hai (+$180), atharah low numbers par haarti hai (−$180) aur ek baar zero par haarti hai (−$10): $370 lagakar −$10. Double-zero wheel par do zeros ka kharcha $380 par $20 hai, 5.26%. Zero 1 se chhota hai phir bhi low bet ke liye haar hai: box par 1–18 likha hai.
Combinations
High plus teesra dozenbetDozen1–12, 13–24 ya 25–36, payout 2:1.Poora padhein → 25–36 ke barah ke barah numbers par overlap karte hain, isliye yeh 19–36 par ek weighted bet hai jisme upar wala dozen double cover hai. Low plus red nau numbers par overlap karte hain. Inme se koi combination expected valueganitExpected valueLambe samay mein har bet ka ausat nateeja. Har standard European bet ke liye stake ka −1/37.Poora padhein → nahi badalta; har hissa akele 2.70% hai.
Har aadhe hisse mein kya hai
Har aadhe mein nau red aur nau black numbers hain, aur nau odd aur nau even. Red numbers low half mein 1, 3, 5, 7, 9, 12, 14, 16 aur 18 hain aur high half mein 19, 21, 23, 25, 27, 30, 32, 34 aur 36. Low pehla dozen aur doosre ka aadha hai; high doosre ka baaki aadha aur teesra. Koi chhoti bet 1–18 ko sasta cover nahi karti: dozen barah numbers par 2 to 1 pay karta hai, six linebetSix lineDo saath wali rows ke chhe numbers, payout 5:1. French mein: sixain.Poora padhein → chhe par 5 to 1, aur har ek ka kharcha wahi 2.70% hai.
French rules
La partage ke saath zero aane par manque ya passe bet ka aadha wapas milta hai, aur kharcha 1.35% reh jaata hai. En prisonniyamEn prisonFrench rule: zero aane par even-money bet haarne ke bajaye agle spin ke liye rok liya jaata hai. In bets par house edge aadha ho jaata hai.Poora padhein → ke saath bet ek aur spin ke liye rok li jaati hai: jeete toh bina jeet ke wapas milti hai, haare toh le li jaati hai.
Sawaal
Ball peeche reh gayi, 18 paar karne se “chook gayi”. Passe ka matlab hai paar kar gayi.
Nahi. Har spin par dono halves ke liye 18/37.
Thodi hansi

1–18 ya 19–36. Red jaisi hi bet, bas alag box.
Sources
- Ethier, S. N. The Doctrine of Chances: Probabilistic Aspects of Gambling.