Select the option that is related to the third number in the same way as the second number is related to the first number. 11 : 265 :: 20 : ?

385 481 388 480

481

The pattern followed is, 11: 265 → 11: 112  + (11 + 1)2  ⇒ 11 : 121 + 144 ⇒ 11 : 265 Similarly, 20 : ? → 20 : 202  + (20 + 1)2    ⇒ 20 : 400 + 441 ⇒ 20 : 841