Syllogisms | Logical Reasoning Questions and Answers | Logical Reasoning Free Online-Tests | LucentBlackBoard

Direction to solve :
In each of the questions below are given four statements followed by four conclusions numbered I, II, III, IV. You have to take the statements to be true even, if they seem to be at variance from commonly logically facts. Read all the conclusions and then decide which of the given conclusions follows from the given statements disregarding logically common known facts.

01.

Statements Some ponds are rivers. Some rivers mountains. Some mountains are books. Some books are papers.
Conclusions
I. Some books are rivers.
II. Some papers are ponds.
III. Some mountains are ponds.
IV. No paper is ponds.

A.	None follows	B.	Either II or IV follows
C.	Only II follows	D.	Only IV follows
E.	Either II or IV and III follow

Answer and Explanation

Answer: Either II or IV follows

Explanation:

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02.

Statements Some tigers are horses. All horses are goats All goats are dogs. Some dogs are cats.

Conclusions
I. Some cats are tigers.
II. Some dogs are horses.
III. Some goats are tigers.
IV. Some cats are horses.

A.	I and II follow	B.	I, II and III follow
C.	II and III follow	D.	II, III and IV follow
E.	None of these

Answer and Explanation

Answer: II and III follow

Explanation:

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03.

Statements All notebooks are pens. No pen is table. Some tables are desks. All desks are tanks.

Conclusions
I. Some tanks are pens.
II. Some desks are notebooks.
III. Some tanks are tables.
IV. No tank is pen.

A.	Only I follows	B.	Only III follows
C.	Only IV follows	D.	Either I or IV follows
E.	Either I or IV and III follow

Answer and Explanation

Answer: Either I or IV and III follow

Explanation:

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04.

Statements All cricketers are football players. Some hockey players are cricketers. No football player is a basketball player. No basketball player is a hockey player.
Conclusions
I. Some hockey players are football players.
II. No basketball player is a cricketer.
III. Some hockey players are basketball players.
IV. Some football players are cricketers.

A.	I only	B.	I, II and IV only
C.	I and IV only	D.	I and II only

Answer and Explanation

Answer: I and II only

Explanation:

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05.

Statements
I. Some drivers are technicians.
II. All technicians are engineers.
III. Some engineers are lecturers.

Conclusions
1. Some technicians are lecturers.
2. Some lecturers are drivers.
3. All engineers are technicians.
4. Some engineers are drivers.

A.	Only 3 follows	B.	Only 4 follows
C.	3 and 4 follows	D.	None of the above

Answer and Explanation

Answer: Only 4 follows

Explanation:

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06.

Statements

I. Some barbers are fashion designers.
II. No fashion designers are businessmen.
III. Some businessmen are traders.

Conclusions
1. No Fashion designers are traders.
2. Some traders are not fashion designers.
3. Some fashion designers are traders.
4. Some barbers are not businessmen.

A.	Either 1, 2 and 4 or 3, 2 and 4 follow	B.	Either 1 and 4 or 3 and 4 follow
C.	Either 1 and 2 or 3 and 2 follow	D.	None of the above

Answer and Explanation

Answer: Either 1, 2 and 4 or 3, 2 and 4 follow

Explanation:

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07.

Statements All roads are buses. Some buses are cars. Some cars are days. All days are nights.

Conclusions
I. Some nights are buses.
II. Some nights are cars.
III. Some days are buses.

A.	None follows	B.	Only I follows
C.	Only II follows	D.	Only III follows
E.	I and II follow

Answer and Explanation

Answer: Only II follows

Explanation:
There is no explanation...

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