Question

A and B are twin brothers. One of them always lies, while the other one always tells the truth. I don't know which one always lies. I ask one of them: 'Is B the one, who lies?' 'Yes,' he answers. Did I speak to A or B?

Answer 1

Step-by-step explanation:

Here are the two Situations :

Scenario 1 :

Imran - lies always

Aamir - always tells the truth

Question asked to :

Imran - No

Aamir - Yes

Scenario 2 :

Imran - always tells the truth

Aamir - lies always

Question asked to :

Imran - No

Aamir - Yes

So irrespective of whoever is the liar you definitely did speak to Aamir.