The terrorists abducted the policemen to persuade their

Some plastics are not elastics. Some rubbers are not fibres. Some elastics are not fibres.

Statement:

All Mathematics are Economics

Only a few Mathematics are Chemistry

No Chemistry is Physics

Conclusion:

Statements:       No apple is an orange.

                                All oranges are grapes.

Statements:

No poem is a story.

All stories are novels.

All novels are articles.

Conclusions:

Statements:All circles are rectangles.

No rectangle is a square.

Conclusions:I. No square is a rectangle.

Statements:

All A are B

All B are C

Some C are D

Conclusion:

I. All B are A

II. Some D are A

Statements:

No construction is building.

No building is foundation.

Every foundation is apartment.

Conclusions:

Statements:

Only buses are cars

Only a few buses are trains

No train is a bike

Conclusions:

Statement:

All arts are physics

All accounts are physics

Conclusion:

I. Some physics are arts.

Statements: All Bikes are Cars.

Some Cars are scooty.

Conclusions: I. Some Bikes are scooty.

II. Some Cars are Bikes.