There will be two security guards at hell and heaven. hell
guy used to speak lie always and we can ask one and only
one question to move into heaven(twist is we don't know who
is hell or heaven gaurd).how can we move into heaven?

Answers were Sorted based on User's Feedback

There will be two security guards at hell and heaven. hell guy used to speak lie always and we can..

I assume u have to ask them both the same question.
"are you guarding a door" meaning something that is
obviously the same for both of them, then you can tell if
one is lying, and go through the other door.

 Is This Answer Correct ? 7 Yes 1 No

There will be two security guards at hell and heaven. hell guy used to speak lie always and we can..

here the point to be noted that we have to ask only one
question and it may be of any type(because as per the
requirements the type of question is not mentioned)
so firstly go for smoke & sanity test case:
the solution is very simple
that is
ask to any one of the guard the folowing question:
"R U A GUARD?"
now there can be only two possible outcomes(reply):
either yes or no
if u r questioning to the right guard then surely he will
say:yes
and the rong one wll alwys reply with :no

..........any coments wll be well accepted
Rajiv Kumar Jindal
(Test Engineer,Noida)

 Is This Answer Correct ? 7 Yes 2 No

There will be two security guards at hell and heaven. hell guy used to speak lie always and we can..

I feel GZ is right.

ramumcato@yahoo.com

 Is This Answer Correct ? 3 Yes 0 No

There will be two security guards at hell and heaven. hell guy used to speak lie always and we can..

tell?

Go through the door guy points to...Enjoy

 Is This Answer Correct ? 4 Yes 2 No

There will be two security guards at hell and heaven. hell guy used to speak lie always and we can..

sorry to say venkat ....i dought that u'r answer is
wrong.....i will prove it

u'r allowed to answer only one question so
if u ask "are u from hell" to heaven gaurd and he say "No"
and u enter ...it will be heaven
if u ask the same question "are u from hell" to hell gaurd
and he say "No" and u enter it will be hell ....so u'r

and i agree with P73_73@yahoo.com answer .....if u want to
prove u'r thinking out of the box then u can say GZ answer

 Is This Answer Correct ? 2 Yes 0 No

There will be two security guards at hell and heaven. hell guy used to speak lie always and we can..

I am sure GZ is right

 Is This Answer Correct ? 1 Yes 0 No

There will be two security guards at hell and heaven. hell guy used to speak lie always and we can..

"Whats 1+1?"
the guy from hell would have to tell a lie and the guy from
heaven the truth??

 Is This Answer Correct ? 1 Yes 0 No

There will be two security guards at hell and heaven. hell guy used to speak lie always and we can..

Ask one gaurd that... Are you a gaurd??
If he answered No.He is Hell guy?
so Go to the other door That should be Heaven.
Else
He say I am Gaurd!
He is a heaven guy. Go with him...

 Is This Answer Correct ? 1 Yes 0 No

There will be two security guards at hell and heaven. hell guy used to speak lie always and we can..

Rajeev appears to be more correct than GZ. from GZ point of
view we have to ask one question but restriction is not
there on number of gurards. one good question can resolve

 Is This Answer Correct ? 1 Yes 1 No

There will be two security guards at hell and heaven. hell guy used to speak lie always and we can..

The real answer to this is ,
You ask Either of the Guards this
"If i ask the Other Guy what door he is guarding , what
would he tell me? "

The Heaven Guard , knowing the the other guard always lies
will say " He will say that he's guarding heaven"

The Hell Guard always Lies , So he will say , " He will say
that he's guarding Hell"

that way you can find out who is guarding what

 Is This Answer Correct ? 1 Yes 1 No

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