Ibrahim Has Had 4 More Years of Schooling Than His

Ibrahim has had 4 more years of schooling than his identical twin brother.Which of the following will be true of Ibrahim?

A) Ibrahim is no more likely to score higher on the "culture-fair" Raven's Matrices IQ test, as compared to his twin.
B) Ibrahim's working memory is likely to be better than that of his twin.
C) Ibrahim is less likely to be a "visual thinker" than his twin.
D) Ibrahim is likely to have a worse memory than his twin.
E) Ibrahim's brain is likely to weigh more than his twin's.