Marie received a puzzle as a present for her birthday. The puzzle has three pegs, and to solve the puzzle, a person is required to move nine disks from the center peg to one of the outside pegs. However, only one disk can be moved at a time, and a larger disk can never be placed on top of a smaller disk. Marie’s puzzle is an example of:

The correct answer is A. a problem of transformation.

Explanation:

A transformation problem means that a series of synchronized steps must be followed to reach a specific end. In Marie's case, the puzzle requires meeting certain criteria in order to be perfectly completed. If one of them is missed, it is most likely that the puzzle cannot be completed.

answer; /// i believe that the correct answer is(cognitive revolution);