In the context of this article the 150 mysteries of which this article speaks are the meditations for each Hail Mary, which are now verses of Scripture. On post #1 I've left some links were one can find 150 Scriptural mysteries for each of the Hail Maries and other info for praying the Scriptural Rosary.
Unfortunately there is a bad link on the piece.
**In the context of this article the 150 mysteries of which this article speaks are the meditations for each Hail Ma**
So with the Luminous Mysteries, this number would be 200.