Question 46
The eight runners and fractional odds are shown. What odds on Dayadari give a bookmaker a 10% margin with a balanced book? Original choices: A 20–1; B 25–1; C 30–1; D 40–1; E 50–1. Explain what “10% margin” means, compute under a stated convention, and compare the choices. AI reconstruction: this is a mathematical analysis, not betting advice; fractional odds r–1 return r+1 units including the stake.
