Roulette Odd / Even Bet
Roulette odd/even bet atharah odd ya atharah even numbers cover karti hai. Zero dono mein se kuch nahi.
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%. Odds bilkul red/black jaise.
Chip kahan rakhein
Outside row mein “Even” aur “Odd” boxes, dozensbetDozen1–12, 13–24 ya 25–36, payout 2:1.Poora padhein → aur color diamonds ke beech; French layoutsaamanLayoutTable par chhapa betting grid. Doosre naam: table, felt, cloth.Poora padhein → par pair aur impair. Har ek ko table minimum poora karna hota hai.
Roulette mein zero odd hai ya even?
Arithmetic mein 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 → even hai (do se divide hota hai), lekin roulette table par odd aur even dono bets ke liye haar hai. Layout ise kisi bhi box mein na likhkar sawaal khatam kar deta hai. Beginners kabhi-kabhi is par bahas karte hain; dealers yeh pehle bhi sun chuke hain.
Odd/even vs red/black
Mathematically bilkul same: 18 numbers, 1 to 1, 48.65%. Dono jode sirf is baat mein alag hain ki kaunse atharah numbers cover karte hain, isliye “redbetRed18 red numbers par even-money bet. French mein: rouge.Poora padhein → aur even” jaisa combination 28 numbers cover karta hai aur un aath numbers par double hit deta hai jo red bhi hain aur even bhi (12, 14, 16, 18, 30, 32, 34, 36). Bet Builder aisa koi bhi overlap calculate karta hai.
Roulette mein odd aur even numbers ke colors
Odd aur red same atharah numbers nahi hain. Odd numbers mein das red aur aath blackbetBlack18 black numbers par even-money bet. French mein: noir.Poora padhein → hain: red 1, 3, 5, 7, 9, 19, 21, 23, 25 aur 27; black 11, 13, 15, 17, 29, 31, 33 aur 35. Even numbers ulta bante hain, aath red aur das black. Isliye red plus odd 26 numbers cover karta hai, unme das do baar, jabki red plus even 28.
Roulette odd/even ka payout aur expectation
37 mein 18 ke against fair odds 1.056 to 1 hain; table 1 deti hai. $10 par 37 average spins mein even ki bet 18 baar jeetti hai (+$180), atharah odd numbers par haarti hai (−$180) aur ek baar zero par haarti hai (−$10): $370 lagakar −$10, 2.70%. Double-zero wheel par haarne ke liye do zeros hain, aur kharcha $380 par $20 hai, 5.26%.
Wheel par
Rim par odd aur even aise mile hain ki koi arc kisi ko favour nahi karta. Sequence jodon mein bani hai: wheel dekhein toh do odd numbers ke baad aam taur par do even aate hain. Sabhi outside betsbetOutside betGrid ke chaaron taraf ke boxes par bet: dozens, columns aur even-money bets.Poora padhein → ki tarah yeh koi sectorwheelSectorWheel par pockets ka lagatar ek hissa (arc), layout ke kisi group se alag cheez.Poora padhein → cover nahi karti.
French rules
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 zero aane par odd ya even 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 layout par rehti hai: jeete toh bina jeet ke wapas milti hai, haare toh le li jaati hai, jiska price lagbhag same aata hai. Zero even hai ya nahi, yeh sawaal kabhi nahi uthta, kyunki rule pair aur impair ko ek jaisa treat karta hai.
Ek shaam ka hisaab
100 spins tak odd par $5 yaani $500 lagaye, aur expected lossganitExpected lossExpected value guna kul lagayi gayi raqam; ek session ya ek muddat mein ausat nuksaan.Poora padhein → $500 ÷ 37 = $13.51 hai. Is figure ke aas-paas normal swing lagbhag $50 hai, kyunki $5 ki 100 even-money betsbetEven-money betRed/black, odd/even, high/low. 18 numbers, payout 1:1.Poora padhein → ka standard deviationganitStandard deviationVariance ka square root; expected value se kisi result ki aam doori.Poora padhein → 5 × √100 hai. Har teen mein se lagbhag do shaamein $64 neeche aur $36 upar ke beech khatam hoti hain.
Sawaal
Haan. Odd/even even-money bet hai aur French table par zero aane par aadha wapas milta hai.
Koi mathematical wajah nahi. Kuch players streak exposure ko diversify karne ke liye dono use karte hain, jisse jeet ka pattern badalta hai, total mein kuch nahi.
Maths ke saath mazaa
Pehle khud try kijiye. Har solution chhupa hua hai; jab taiyaar hon tab kholiye.
Purane layoutssaamanLayoutTable par chhapa betting grid. Doosre naam: table, felt, cloth.Poora padhein → par kabhi-kabhi “low aur even” ek saath wali bet hoti thi. Yeh even money jeetti thi agar number low (1 se 18) aur even dono ho, haarti thi agar dono mein se koi na ho, ya 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 → ho, aur wahin rehti thi agar ek ho par doosra nahi. European wheel par iski keemat kya thi?
Solution dikhaiye
Jawab Per spin 2.70%, lekin har us bet ka 5.26% jo asal mein settle hui.
PocketssaamanPocketRotor ke 37 numbered khaanon mein se ek. Doosre naam: slot, cup.Poora padhein → giniye. Low aur even: 2, 4 … 18, nau numbers, jeet. High aur odd: 19, 21 … 35, nau numbers, plus zero, kul das, haar. Baaki atharah, low aur odd ya high aur even, bet ko jahan hai wahin chhod dete hain.
Per spin bet 37 mein 9 baar jeetti aur 10 baar haarti hai: −1/37, aam 2.70%. Lekin 37 mein 18 spins par kuch nahi hota. Sirf settle karne wale spins ginein to bet 19 mein 1 unitpaisaUnitBase stake jismein koi system ya player kaam karta hai. Progressions units mein batayi jaati hain taaki kisi bhi table par laagu hon.Poora padhein → haarti hai, 5.26%, American keemat.
American wheel par, jahan 00 bhi haarne walon mein hai, iski keemat per spin 5.26% aur per settled bet 10% hai. Bollman (2024) ise ek ajooba ke roop mein deta hai.
Thodi hansi
Zero even hai. Even par zero haarta hai.
Sources
- Ethier, S. N. The Doctrine of Chances: Probabilistic Aspects of Gambling.