Select the option that is related to the third number in the same way as the second number is

Select the option that is related to the third number in the same way as the second number is related to the first number and the sixth number is related to the fifth number.

8 : 586 :: 6 : ? :: 11 : 1465

A. 264

B. 260

C. 268

D. 270

Sol:

Pattern follows here is: B=a3+a2+a+2

The required value is: 216+36+6+2 = 260