Correct option is G. $$5626^2$$
(A) Unit place of $$26^2$$ = Unit place of $$6^2$$ = 6
(B) Unit place of $$49^2$$ = Unit place of $$9^2$$ = 1
(C) Unit place of $$34^2$$ = Unit place of $$4^2$$ = 6
(D) Unit place of $$43^2$$ = Unit place of $$3^2$$ = 9
(E) Unit place of $$244^2$$ = Unit place of $$4^2$$ = 6
(F) Unit place of $$68^2$$ = Unit place of $$8^2$$ = 4
(G) Unit place of $$5626^2$$ = Unit place of $$6^2$$ = 6