=MATCH(9.99999999999999E+307,I15:IV15)+COLUMN(I15)-1

Ravi wrote:
Hi, need help on for a simpler formula is available if available. The
problem is I have a spreadsheet with many columns and I would like to know
which column is populated, for the moment I'm using the following :

=IF(I150,COLUMN(I15),"")&IF(J150,COLUMN(J15),"") &IF(K150,COLUMN(K15),"")&IF(M150,COLUMN(M15),"") &IF(N150,COLUMN(N15),"")&IF(O150,COLUMN(O15), "")

The values can only be positive.
A simpler version would be appreciated.
Thanks

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[1] The SumProduct function should implicitly coerce the truth values to
their Excel numeric equivalents.
[2] The lookup functions should have an optional argument for the return
value, defaulting to #N/A in its absence.