There are 3 Cards as "To the left of the queen, are one or two jacks. To the right of the jack, are one or two jacks. To the right of the club, are one or two diamonds. To the left of the diamond, are one or two diamonds." What are the three cards?

The correct arrangement is: Jack of Clubs, Jack of Diamonds, Queen of Diamonds (left to right). This satisfies all conditions: to the left of the queen is one jack, to the right of the jack (of clubs) is one jack, to the right of the club is one or two diamonds, and to the left of the diamond (rightmost) is one diamond. The other options violate the given constraints.