The pungency in radish is due to 

Find the wrong number in the given number series.

7, 38, 63, 116, 171, 242

8    12    21     36     62      98     

Find the wrong number in the given number series.

3, 7, 22, 89, 445, 2677

21, 32, 45, 60, 75, 96

Find the wrong number in the given number series.

17, 36, 73, 134, 220, 352 

Find the wrong number, in the given number series,

4, 10, 20, 40, 100, 250, 500

12, 36, 41, 121, 128, 384

Find the wrong number in the given number series.

21, 42, 84, 116, 132, 264

15, 30, 30, 20, 10, 8