Given below are two premises and four conclusions drawn from those premises. Select the code that expresses conclusion drawn validly from the premises (separately or jointly).
Premises :
$\mathrm{A}$ . All dogs are mammals.
$\mathrm{B}$ . No cats are dogs.
Conclusions :
$\mathrm{I}$ . No cats are mammals.
$\mathrm{I}\mathrm{I}$ . Some cats are mammals.
$\mathrm{I}\mathrm{I}\mathrm{I}$ . No dogs are cats.
$\mathrm{I}\mathrm{V}$ . No dogs are non-mammals.

Statements

Some shirts are pants.
All pants are caps.
All caps are ties.
No tie is socks.

Conclusions

I. No cap is socks.
II. Some pants are shirts.
III. All caps are pants.

Some statements are given followed by some conclusions. You have to consider the statements to be true even, if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follow from the given statements.

Statements

1. Some doctors are lawyers.
2. All teachers are lawyers.
3. Some engineers are lawyers.
4. All engineers are businessmen.

Conclusions

I. Some teachers are doctors.
II. Some businessmen are lawyers.
III. Some businessmen are teachers.
IV. Some lawyers are teachers.

Statements

All boxes are foxes.
All foxes are schools.
No school is college.
All colleges are markets.

Conclusions

I. No fox is college.
II. No college is school.
III. No box is fox.

Statements

Some leaves are flowers.
No flower is fruit.
Some fruits are branches.
Some branches are stems.

Conclusions

I. Some leaves are stems.
II. All leaves are either stems or fruits.
III. All stems are either branches or fruits.

Statements

Some caps are umbrellas.
Some umbrellas are raincoats.
All raincoats are trousers.
All trousers are jackets.

Conclusions

I. Some raincoats are caps.
II. Some trousers are umbrellas.
III. All raincoats are jackets.

Statements

Some fans are coolers.
Some coolers are machines.
Some machines are computers.
All computers are televisions.

Conclusions

I. Some televisions are machines
II. Some machines are fans.
III. No machine is a fan.

Statements

All keys are staplers.
All staplers are blades.
Some blades are erasers.
Some erasers are sharpeners.

Conclusions

I. Some sharpeners are keys.
II. All keys are blades.
III. Some erasers are keys.