Reasoning SyllogimsPage 3

1.

Statements: Some chairs are made up of wood. Some tables are made up of wood. Conclusions: 1. All wooden things are either chairs of tables. 2. Some chairs are tables. (a)If only Conclusion 1 follows (b)If only Conclusion 2 follows (c)If either Conclusion 1 or 2 follow (d)If neither Conclusion 1 nor 2 follow

Answer!

Answer is: D
From the above figure we cannot conclude that all wooden things are either chairs of tables and some chairs are tables. So none follows.

2.	Statements: All crows are birds. All birds are peacocks. Conclusion: 1. All peacocks are birds. 2. All birds are peacocks. (a)If only Conclusion 1 follows (b)If only Conclusion 2 follows (c)If either Conclusion 1 or 2 follow (d)If neither Conclusion 1 nor 2 follow

Answer!

Answer is: A
From the above figure, it is clear that all peacocks are birds are not crows. Thus, only conclusion 1 follows.

3.

Statements: Some keys are locks, some locks are numbers. All numbers are letters, all letters are words. Conclusions: 1. Some words are numbers. 2. Some locks are letters. (a)If only Conclusion 1 follows (b)If only Conclusion 2 follows (c)If either Conclusion 1 or 2 follow (d)If neither Conclusion 1 nor 2 follow

Answer!

Answer is: C
From, the above diagram, Some words are numbers and some locks are letters. So, Conclusions 1 and 2 follow.

4.	Statements: Some scales are pencils. Some erasers are pencils. Conclusions: 1. Some pencils are erasers. 2. Some pencils are scales. (a)If only Conclusion 1 follows (b)If only Conclusion 2 follows (c)If either Conclusion 1 or 2 follow (d)If neither Conclusion 1 nor 2 follow

Answer!

Answer is: C
From the above figure, some pencils are erasers and some pencils are scales.

5.	Statements: Some dews are drops. All drops are stones. Conclusions: 1. At-least some dews are stones. 2. At-least some stones are drops. (a)If only Conclusion 1 follows (b)If only Conclusion 2 follows (c)If either Conclusion 1 or 2 follow (d)If both Conclusions 1 and 2 follow

Answer!

Answer is: D
From the above figure, it is clear that at-least some dews are stones and at-least some stones are drops.

6.	Statements: Some years are decades. All centuries are decades. Conclusions: 1. Some centuries are years. 2. Some decades are years. 3. No century is a year. (a)1 and 2 follow (b)1 and 3 follow (c)Either 1 or 3 and 2follow (d)None follows

Answer!

Answer is: C
From the above figure, it is clear that either 1 or 3 and 2 follows.

7.	Statements: All philosophers are fools. All fools are illiterate. Conclusions: 1. All philosophers are illiterate. 2. All illiterate are philosopher. 3. All illiterate are fools. 4. Some illiterates would be philosopher. (a)Only 4 follow (b)1 and 4 follow (c)2 and 4 follw (d)3 and 4 follow

Answer!

Answer is: B
From the above figure, we can only conclude that all philosophers are illiterates some illiterates would be philosopher. So, only conclusions 1 and 4 follow.

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