"Presents" correctly matches the singular subject "advancement," and "challenges for workers" is the appropriate plural form to reflect multiple challenges affecting workers.
In each of the following giving number series, a wrong number is given. Find out the wrong number?
82, 81, 86, 110, 168, 287
2, 4, 12, 20, 30, 42
14, 16, 22, 46, 172, 886
12, 28, 64, 128, 228, 379
225, 45, 450, 90, 900, 150, 1800
132, 144, 162, 186, 216, 255, 294
12, 29, 64, 151, 322, 669
31, 39, 49, 73, 121, 217
120, 125, 140, 165, 210, 245
63, 124, 215, 345, 511, 728