If  A + B means that 'B is the wife of A',

       A – B means that 'A is the mother of B',

       A × B means that 'A is the son of B',

then how is 'P' related to 'S' in the given expression ?

P × Q + R – S

Statements:

Some copy are not book.

Only a few book are paper.

Only paper are notebook.

Conclusions:

Statement:

Some lights are shadows.

All shadows are wall.

Conclusion:  

I. Some lights are not wall.

Statements:

Only wires are switches.

No wire is a board.

Only nuts are boards.

Conclusions:

Statements:

No Addition is a Multiplication.

Some Multiplication are Subtraction.

All Subtraction are Division.

Statement:  

Few M are not N.

All N are O.

Only m few O are P.

Conclusion:

1. All M can be N.

Statements:

All books are pages.

Some notes are books.

All assignments are notes.

Conclusions:

All buildings are mountains. Some jungles may not be rivers. Some rivers are mountains.

Statement:

Only few Lion are tiger

No tiger are dog.

Only cat are dog.

Conclusion:

I. Some lion are tiger.

Statement :  No cup is a saucer.

                     Some saucer are cubes.

Statement:

Some Boat are Stream

Few Stream are Captain

Only a few Captain are Boat

Conclusion: