Logical Reasoning - Logical Problems - Discussion

Each problem consists of three statements. Based on the first two statements, the third statement may be true, false, or uncertain.

3. 

A toothpick is useful.
Useful things are valuable.
A toothpick is valuable.
If the first two statements are true, the third statement is

[A]. true
[B]. false
[C]. uncertain

Answer: Option A

Explanation:

To the extent that a toothpick is useful, it has value.

Sadiq Amin Khattak said: (Dec 6, 2013)  
Salam and Hi.

According to my Every Useful thing is must it will be Valuable.

And every Valuable thing is must it will be Useful.

So. Toothpick is Valuable.

Pallavi said: (Mar 23, 2014)  
It should be uncertain since it is not given all useful things are valuable.

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