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

1008 : 8 :: ? : 6 :: 220 : 4

518

1008 : 8 :: ? : 6 :: 220 : 4

The logic followed here is :

(IInd number + 2 )³ + IInd number = Ist number

As

(8 + 2 )³ + 8

= 10³ +  8

= 1000 + 8

= 1008

and

220 : 4

(4 + 2 )³ + 4

= 6³ +  4

= 216 + 4

= 220

Similarly

? : 6

(6 + 2 )³ + 6

= 8³ +  6

= 512 + 6

= 518