In this task, you are given a list. This list contains many lists of integers. The list is several items written within a []. Your task is to find the maximum number among the members of each inner list. The output should be a list comprised of the maximums with the same order as the internal lists.
[[-10, 7, -149], [-65, -199], [70, -89], [-177, -75, -1, 35, -84], [91, -124, -30, -82]]