Syllogism

Some rats are cats. Some cats are dogs

Consider the following Statements and Conclusions:

Statements:

1. Some rats are cats.
2. Some cats are dogs.
3. No dog is a cow.

Conclusions:

1. No cow is a cat.
2. No dog is a rat.
3. Some cats are rats.

Which of the above conclusions is/are drawn from the statements?

1. I, II and III
2. Only I and II
3. Only III
4. Only II and III

Only students can participate in the race

Consider the following three statements:

1. Only students can participate in the race.
2. Some participants in the race are girls.
3. All girl participants in the race are invited for coaching.

Which one of the following conclusions can be drawn from the above statements?

1. All students are invited for coaching.
2. All participants in the race are students.
3. All participants in the race are invited for coaching. 
4. None of these

None but the rich ran afford air-travel

Examine the following statements:

1. None but the rich ran afford air-travel.
2. Some of those who travel by air become sick.
3. Some of those who become sick require treatment.

Which one of the following conclusions can be drawn from the above statements?

1. All the rich persons become sick.
2. All those who travel by air are rich.
3. Those who travel by air become sick.
4. All the rich persons travel by air.

All artists are whimsical

Consider the following statements:

1. All artists are whimsical.
2. Some artists are drug addicts.
3. Frustrated people are prone to become drug addicts.

From the above three statements it may be concluded that:

1. Whimsical people are generally frustrated.
2. All frustrated people are drug addicts.
3. Artists are frustrated.
4. Some drug addicts are whimsical.

None but students are the members of the club

Examine the following statements:

1. None but students are the members of the club.
2. Some members of the club are married.
3. All married persons are invited for dance.

Which one of the conclusions can be drawn from the above statements?

1. All members of the club are married person
2. All married students are invited for dance
3. All students are invited for dance
4. None of these

All animals are carnivorous

Directions: There are four statements. Of these four statements, two cannot both be true, but both can be false. Study the statements carefully and identify the two that satisfy above condition.

Examine the following statements:

1. All animals are carnivorous.
2. Some animals are not carnivorous.
3. Animals are not carnivorous.
4. Some animals are carnivorous.

Select the correct answer using the codes given below:

1. 1 and 2
2. 3 and 4
3. 2 and 3
4. 1 and 3