Total income of the betting agency = 1000*10000 = 100,00,000
The number 2 choice has won. Hence, if “x” people have voted for the “number 2 choice”, these people will together win 4000x (since betting on “number 2 choice” at at odds 4:1).
Net profit of the agency = 5000000=10000000-4000x
x= 1250. option (e)