Type of Twins Like Tweedledee and Tweedledum
Puzzle 20 of Alice in Wonderland Piece of Cake Pack
Question is: Type of Twins Like Tweedledee and Tweedledum
and the answer is: IDENTICAL
Word Meaning:
IDENTICAL — (not comparable) Bearing full likeness by having precisely the same set of characteristics; indistinguishable.
Definitions from Wiktionary.