What would be the next number in the following series?(在下面这组

What would be the next number in the following series?(在下面这组 what number comes next in the following series? what would be the next number in this series"2...4...8...16. 奥英难题,1.What number comes next in the following series?9,12,2 1.单项选择What number come next in the following series（系列）?9,12 一道英语的智力题求解What would be the next number in this series?0,5,1 What would be the next group of letters in this series?aaaa. What number comes next in following series 9,12,21,48 what would the next number be?4,7,13,25,49,-- what would be the next one? What number is in front of the following numbers?___________ what's the next number?