Numbers transformation problem

Jul 2019
1
0
Italy
Hello, I can't figure out the answer to this exercise. It says:
190 -> 42
180 -> 37
160 -> 24
140 -> 16
122 -> 10
154 -> ?

Thank you for your help.
 

topsquark

Math Team
May 2013
2,508
1,048
The Astral plane
Is this the whole problem? I mean, we can guess and maybe get it right, but without context we can come up with any number of possibilities.

-Dan