There are 3840 chickens, ducks and geese in a farm. Among them, chickens are twice as many as ducks, ducks are five times as many as geese, and how many are the three kinds of poultry?

There are 3840 chickens, ducks and geese in a farm. Among them, chickens are twice as many as ducks, ducks are five times as many as geese, and how many are the three kinds of poultry?

Geese = 3840 (1 + 5 + 2 × 5) = 240
Ducks = 240 × 5 = 1200
Chicken = 1200 × 2 = 2400