SOLUTION: Z W Y X The sequence above may be changed in either of two ways . either two adjacent letters may be interchanged or the entire sequence may be reversed . what is the leas

Question 307272: Z W Y X
The sequence above may be changed in either of two ways . either two adjacent letters may be interchanged or the entire sequence may be reversed . what is the least number of such changes needed to put the letters into alphabetical order from left to right ?
(A) 2 (B) 3 (C) 4 (D) 5 (E) 6

Answer by Theo(13342) (Show Source): You can put this solution on YOUR website!
I would say 3 is the least number of manipulations.

You start with zwyx

You reverse the whole string to get xywz

You reverse yw to get xwyz

You reverse xw to get wxyz

Not it's in order.

I don't think you can do better than that.

Answer would be selection B.
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