Find the odd one out: 11, 13, 17, 19, 23, 25, 29

Find the odd one out: 3, 5, 7, 12, 17, 19

Statements: All students are learners. Some learners are readers. All readers are scholars. Some scholars are teachers. Conclusion I: Some students are scholars. Conclusion II: Some learners are teachers. Which is correct?

If A is the brother of B, B is the sister of C, and C is the father of D, then how is A related to D?

All roses are flowers. Some flowers are red. Which conclusion logically follows?

Statements: All flowers are beautiful. Some beautiful are colorful. All colorful are bright. Some bright are shiny. Conclusion: Some flowers are shiny. Is this valid?