Statement: No fish can fly. Some birds can fly. Conclusions: I. No fish is a bird. II. Some birds are not fish.

Replace question mark: A, D, G, J, ?

If in a code, STAR = 41, MOON = 39, then COMET = ?

Statements: All boys are students. Some students are intelligent. All intelligent are hardworking. Some hardworking are successful. Conclusion: Some boys are successful. Is this valid?

What comes next: 1, 3, 7, 15, 31, ?

If yesterday was Tuesday, what day is three days after tomorrow?