'A' & 'B' they are two friends. 'A' always speaks truth and 'B' always lies.A stranger wants to identify them. But he can ask only one question to any one of them. What should he ask to identify them?

ask if they are friends. A must say yes and B must say No.

You can ask them anything that you already know the correct answer to, if you are sure they are friends then you could ask them who their friend is...

But he doesn't know who is 'A' and who is 'B'. He can ask only one question to only one of them.

You can ask only one question to either A or B, not both. And you don't know who is A and who is B.

ok let me explain.
you have told us that they are friends as part of the question.
ask either one of them if they are friends.

if they answer "No" then that is the liar
if they answer "Yes" then that is the truthful one.

See?

Otherwise (if you didn't know they were friends) then you could
ask either one of them "Which one of you would the other point to
if I asked them to identify the one of you who speaks the truth?"

If the person you ask is the truthful one then they will say
the liar since that is who the liar will identify.

If the person you ask is the liar then they will say themselves
since they always lie.

Thus you will have identified the liar and the other one must
always tell the truth.

Me..........on a good one!

Hard to figure out the riddle when it is not complete I guess... I am more confused now...lol

What goes up a chimney down but won't go down a chimney up?



How many feet have 40 sheep a Shepard and his dog?


Brothers and sisters I have none but that man's father is my father's son, who am I?


These are the riddles my siblings and I grew up with, the rule was you whispered your answer in to grandpa's ear and when you got one right you were sworn to secrecy. When you got all three grandpa did his train whistle and slipped you a 50 cent piece.


So send in your answers and I will whistle for you!

Ask any one them ," if I ask your friend what is your name,what would he reply?" If you get reply "B",then he(the man whom you asked) is 'A' and if you get reply 'A' then he(the man whom you asked) is 'B'

first 1 is umbrella? second is 2 because sheep have hooves and a dog has paws 3rd is your yourself can i get a whistle? lollllllll

I think i got it the stranger just asks any one 1 of them do you lie? and B always lies so he will say yes i lie then you know its B now if he ask A do you lie he would say no i don't cause he always tells the truth so you know its A LOLLLLL good quiz there :) glad i past mensa haha or i would not figure this out you should try some mensa 1s they free its a test mensa .com test

This amounts to the same thing I said above.

no thats not the same cause the way you saying it what IF? they BOTH say A??? puts it this way you don't know who you asking right? so if you asked B what is your name he will say A RIGHT? and if you asked A what is your name he would say A? right cause cannot lie so your way they both can say A my friend ..........THE LOGIC ANSWER IS ASK IF YOU LIE TO 1 OF THEM:)

If you ask a liar if they lie they will say no, if you ask the truth teller if they lie they will say no. If they always lie then ask them something that you can tell is a lie like are they breathing or something...lol

Logic behind the answer:
Ask any one them," if I ask your friend what is your name, what would he reply"
Let person whom I ask the question is 'A' who always speaks truth:
If I ask your friend(your friend ie A's friend; who is A's friend,it is B)
What is your name (ie A's name)
what would he reply(ie what B would reply)
Now B always lies, so his reply won't be 'A' rather it will be 'B'
So what 'A',to whom I ask the question, will reply me: he will reply 'B'
So if the person is truth teller, I will get reply 'B'
Let the person whom I ask the question is 'B' who always lies:
If I ask your friend(your friend ie B's friend; who is B's friend, it is A)
what is your name(ie B's name)
what would he reply(ie what 'A' would reply)
Now A always speaks the truth, so his reply will be 'B'
So what 'B', to whom I ask the question, will reply me: he will reply 'A'
Thus if the person is liar,I will get reply 'A'
I think I have cleared the point.

What starts with a C and ends with a T, is hairy, delicious and contains thin whitish liquid?

Is it coconut?

You never can search me in the light. Who am I?

A SIMPLE question ask either 1 of them can cows fly A will always say no and B will always say yes so you can tell them apart lolllllllllllll