6Â Â Â Â Â Â Â Â Â Â Â Â Â Â 16Â Â Â Â Â Â Â Â Â Â Â 116Â Â Â Â Â Â Â Â Â 566Â Â Â Â Â Â Â Â Â 2272Â Â Â Â Â Â Â 6814
11       a              b             c              d             e
What would come in place of c?
The above series go in the following sequence. 6 × 7 – 26 = 16 16 × 6 + 20= 116 116 × 5 - 14= 566 566 × 4 + 8 = 2272 2272 × 3 - 2 = 6814 Hence, the resulting series would be: 11  51    326    1616    6472   19414