59
Q:

# All windows are doors. No door is wallConclusions:1. No window is wall2. No Wall is door

 A) Only 1 follows B) Only 2 follows C) Either 1 or 2 follows D) Both 1 and 2 follow

Answer:   D) Both 1 and 2 follow

Explanation:

Since both the premises are universal and one premise is negative, the conclusion must be universal negative. Also, the conclusion should not contain the middle term. So, 1 follows.

However, 2 is the converse of the second premise and thus it also holds.

Q:

Two statements are given, followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.

Statements:

All drums are sticks.

Some drums are boxes.

Conclusions:

I Some boxes are sticks.

II. Some sticks are drums.

III. All sticks are drums.

 A) Only conclusions I and III follow. B) All the conclusions, I, II and III follow C) Only conclusions II and III follow D) Only conclusions I and II follow

Explanation:

0 13
Q:

Two statements are given, followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.

Statements:

All owls are parrots.

Some parrots are crows.

Two statements are given, followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.

Statements:

All owls are parrots.

Some parrots are crows.

Conclusions:

I. No owl is a crow.

II. All parrots are owls.

III. Some owls are crows.

I. No owl is a crow.

II. All parrots are owls.

III. Some owls are crows.

 A) All the conclusions, I, II and III, follow B) Only conclusions II and III follow. C) Either conclusion I or III follows D) Either conclusion I or II follows

Explanation:

0 28
Q:

Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.

Statements:

1. All prizes are medals.

2. Some prizes are certificates.

Conclusions:

I. Some certificates are prizes.

II. Some medals are prizes.

III. Some certificates are medals.

 A) Only conclusions I and III follow. B) Only conclusions II and III follow. C) All conclusions I, II and III follow. D) Only conclusions I and II follow.

Answer & Explanation Answer: C) All conclusions I, II and III follow.

Explanation:

0 88
Q:

Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.

Statements:

1. Some animals are elephants.

2. Some elephants are tigers.

Conclusions:

I. Some animals are tigers.

II. No tiger is an animal.

 A) Only conclusion I follows. B) Either conclusion I or II follows. C) Neither conclusion I nor II follows. D) Only conclusionII follows.

Explanation:

0 162
Q:

Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.

Statements:
1. All dogs are lions.
2. No elephant is a lion.

Conclusions:
I. No dog is an elephant.
II. No lion is a dog.
III. Some elephants are dogs.

 A) Only conclusion I follows. B) Only conclusions II and ITI follow. C) Only conclusions I and III follow. D) Only conclusionII follows.

Explanation:

0 91
Q:

Two statements are given, followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to beat variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.

Statements:

No grass is a flower.

All flowers are trees.

Conclusions:

I. Some trees are flowers.

II. Some trees are grasses.

III. No tree is a grass.

 A) Either conclusions II or III, and I follow B) Only conclusion I follows C) Only conclusion III follows D) Either conclusion II or III follows

Answer & Explanation Answer: A) Either conclusions II or III, and I follow

Explanation:

1 166
Q:

Two statements are given followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.

Statements:

All utensils are spoons.

All bowls are spoons.

Conclusions:

I No utensil is a bowl.

II. Some utensils are bowls.

III. No spoon is a utensil.

 A) Only conclusions I follows B) Conclusions I and III follow C) Either conclusion I or II follows D) Only conclusion III follows

Explanation:

0 115
Q:

Two statements are given, followed by three conclusions numbered I, II and II. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.

Statements:

All fields are farm-houses.

Some fields are gardens.

Conclusions:

I. Some farm-houses are fields.

II. Some gardens are fields.

III. Some farm-houses are gardens.

 A) All the conclusions, I, II and III, follow B) Either conclusion I or III follows. C) Only conclusions I and II follow. D) Only conclusions I and III follow.

Answer & Explanation Answer: A) All the conclusions, I, II and III, follow

Explanation: