1. "That's right, six kids and all spaced evenly one year apart," Martin declared. "Regular, like clockwork." Ivan smiled. "Quite a family, but what ages?" "Well, you get that this way," Martin replied. "The eldest is just twice as old as the youngest." You figure it out!

The children are aged 6 to 11

The children are aged 5 to 10

The children are aged 7 to 12