What is the primary purpose of contour

147   490   707     831       895     930

Find the wrong number in the given number series.

215, 227, 245, 264, 287, 316

31, 39, 49, 73, 121, 217

Find the wrong number in the given number series,  If wrong term is 'p', then find the value of  √(p - 17) .

Find the wrong number in the given number series.

17, 36, 73, 134, 220, 352 

12, 3.6, 18, 0.72, 0.432, 0.3024

Find the wrong number in given number series.

2158, 2183, 2283, 2508, 3083, 3533

Find the wrong number in the given number series.

32, 48, 84, 146, 248, 392

Find the wrong number in the given number series.

24, 120, 720, 5040, 40320, 362881