IPMAT Rohtak 2020 (LR) PYQs

Look at this series: 544, 509, 474, 439, ... What number should come next?

In this question, one term in number series is incorrect. Find out the incorrect number 56, 72, 90, 110, 132, 139

What should come at the place of question mark? $\newline 46080, 3840, 384, 48, 8, 2, ?$