Trick your friends. This is very simple.
Go to peteranswers.com website
In the "petition" box, first type a period (.) and then your answer & then a colon
). Then it will take you to the "question" box. Type your question there and put a question mark (?) at the end. See what happens.
Eg. Your friend's age is 25 (you know this)
Type in the petition box .25:
Then in the question box, type (anything) what is my friend's age?
I think this video should explain everything
http://www.youtube.com/watch?v=
Go to peteranswers.com website
In the "petition" box, first type a period (.) and then your answer & then a colon
Eg. Your friend's age is 25 (you know this)
Type in the petition box .25:
Then in the question box, type (anything) what is my friend's age?
I think this video should explain everything
http://www.youtube.com/watch?v=