(8 - 27) , (125 - 216) , (343 - 512) , (1009 - 1331)
Option:
Justification: All other pairs contain cubes of two successive natural numbers. e.g. 8 = 2³ and 27 = 3³.

(8 - 27) , (125 - 216) , (343 - 512) , (1009 - 1331)
Justification: All other pairs contain cubes of two successive natural numbers. e.g. 8 = 2³ and 27 = 3³.