13. The kangaroos A, B, C, D and E were sitting

Question

The kangaroos A, B, C, D and E were sitting in this order, clockwise, around a circular table. When the bell rang, each kangaroo but one exchanged its position with a neighbour. The order of the kangaroos, clockwise, became A, E, B, D, C. Which kangaroo did not move?

Answer 1

Remember that AE start as neighbors.

AE swapped and CD swapped. Therefore B stayed put