All you have to do is count from one to five.What does the NDIS cost? How much does the federal government give to private schools? And is it more or less than the Defence budget? Have a crack at our new quiz format to see how your guesses stack up.Don't worry, we've made it easy:Then we'll reveal the true numbers behind the budget.Note: All dollar figures in rounds one and two have been taken from tables contained in the 2025-26 Budget papers Figures have been rounded for ease of presentation, without affecting any of the rankings