DAX formula to calculate the max of dynamic list of columns in a new Column

[Bassil74]

I have a table called Indicators with pivoted column called MPs, i.e. 1,2,3... 8 and this list is expected to expand to include new columns with new numbers i.e. 9, 10...etc.

I need to create new column in the same Indicators table that calculate the max, min,avg of the values for columns 1...8 which as i sadi can expand so shouldbe dynamic formula based on teh values stored in the table called Open_MPs below.

So basically i need a way to calculate based on list of columns fetched from another table. Ca someone help me?

Appreciate it guys! 

[lbendlin]

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