In a deck, there are cards numbered 1 to 29 such that the number of cards of a particular number in the deck is same as the number on the card. Which of the following statement(s) is/are true about the mean and mode of the numbers on this deck of card?

Mode is 29.

Mean is 15.0.

Mean is 29.

Mode is not defined for this data.

Mode is 28.

Mean is 19.67.