The Brain Teaser: Scroll Down for your Solution
"Do you always believe what you see?" asked Snorkel, taking four cards from a regular pack of playing cards and discarding the rest. "What do you mean?" replied Twanger. Snorkel showed Twanger his four cards : an ace, a three, a ten and a jack. After secretly arranging them in a certain order, he dealt them face down in a line on the table. "I've seen this trick before!" cried Twanger. "You want me to tell you where the jack is." "The jack!" exclaimed Snorkel. "There are two jacks in these four cards." How is it possible and where are they in the four face-down cards?
The ace, three, ten and jack correspond to the numbers 1, 3, 10 and 11. As alphabetic positions, these give A, C, J and K which can be rearranged to form the word JACK. This is one of the jacks, and the other must be in the first position of the four cards.