PLASTICS- BOON OR A CURSE?

HORSE: SERHO:: CURSE : ?

Statements: Some bats are toys some toys are plastics Some plastics are mirros No mirror is glass Conclusions: I. Some toys are mirros II. Some plastics are glasses III. Some bats are mirros IV No glass is plastics

Statements: No noteis coin. Some coins are metals all plastics are notes Conclusions: I. No metals is plastics II. All notes are plastics

Statements: No note is a coin. Some coins are metals. All plastics are notes Conclusions: I. No coin is plastics II. All plastics being metals is a possibility.

Statement/ : 1.No plastic is iron . 2.All steel is iron Conclusion/ : I.Some plastic is steel II. Some iron is steel III. No steel is plastic