# Verbal Reasoning - Logical Deduction Questions

Q:

All flowers are toys. Some toys are trees. Some angels are trees

Conclusions:

1. Some angels are toys

2. Some trees are flowers

3. Some flowers are angels

 A) None follows B) Only 1 follows C) Only 2 follows D) Only 1 and 3 follow

Explanation:

All flowers are toys. Some toys are trees

Since the middle term 'toys' is not distributed even once in the premises,no definite conclusion follows.

Some toys are trees. Some angels are trees

Since both premises are particular,no definite conclusion an be drawn

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Q:

Some blankets are beds. Some pillows are blankets. All beds are pillows

Conclusions:

1. Some blankets are pillows

2. Some pillows are beds

3. Some beds are blankets

 A) Only either 1 or 2 follows B) Only 1 and either 2 or 3 follows C) Only 3 and either 1 or 2 follows D) All 1 ,2 and 3 follow

Explanation:

1 is the converse of 2nd premise,2 is the converse of 3rd premiseand 3 is the converse of 1st premise and such, all the 3 follow

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Q:

All windows are doors. No door is wall

Conclusions:

1. No window is wall

2. No Wall is door

 A) Only 1 follows B) Only 2 follows C) Either 1 or 2 follows 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.

Filed Under: Statement and Conclusions
Exam Prep: GRE

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Q:

Some boys are men. No man is black

Conclusions:

1. Some boys are not black

2. Some men are boys

 A) Only 1 follows B) Only 2 follows C) Either 1 or 2 follows D) Neither 1 nor 2 follows

Explanation:

Since one premise is negative , the conclusion must be negative. so 2 does not follow and only 1 follows

Filed Under: Statement and Conclusions
Exam Prep: GRE

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Q:

Some mountains are hillocks. Some mountains are rivers. Some mountains are valleys.

Conclusions:

1. All mountains are either hillocks or rivers or valleys

2. No valley is river

3. Some river are valleys

 A) None follows B) Only 1 follows C) Only 2 and 3 follow D) Only 3 follows

Explanation:

2 and 3 are the satements involving the extreme terms of the last 2 premises and form a complementary pair. Thus either 2 or 3 follows

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Q:

Some hills are rivers. Some rivers are desrets. All desrets are roads.

Conclusions:

3. Some deserts are hills

 A) None follows B) Only 1 follows C) Only 1 and 2 follows D) All follow

Explanation:

Some hills are  rivers. Some rivers are deserts.

Since both the premises are particular, no defenite conclusion follows.

Some rivers are deserts. All deserts are roads

Since one premise is particular,the conclusion must be particular and should'nt contain the middle term. Since it follows that 'Some rivers are roads'. 1 is the converse of this conclusion and so it holds.

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Q:

Some blades are hammers. Some hammers are knives. Some knives are axes.

Conclusions:

1. Some axes are hammers

 A) None follows B) Only 1 follows C) Only 2 follows D) Only 3 follows

Explanation:

Since each combination has of premises has 2 particular premises, so no defenite conclusion follows

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Q:

Artists are generally whimsical. Some of them are frustrated. Frustrated people are prone to be drug addicts.

Based on these statements which of the following conclusions is true?

 A) All frustrated people are drug addicts B) Frustrated people are whimsical C) All drug addicts are artists D) Some artists may be drug addicts