Your friend has chosen a card from a standard deck of 52 playingcards and no one knows the card except himself. Now you have toguess the unknown card. Before guessing the card, you can ask yourfriend exactly one question, the question must be either Q1, Q2 orQ3 below:
Q1. whether the chosen card is a king (K)?
Q2. whether the chosen card is a spade (â™ )?
Q3. whether the chosen card is the king of spades (Kâ™ )? Yourfriend will answer truthfully. What question would you prefer toask so that it is more helpful to make a correct guess? Justifyyour answer.
