What is best to solve this issue?

[Kal_Lam]

@vinaymaurya84

How can this problem be solved without using a repeat group?

@vinaymaurya84, maybe the best and easiest option would be to use the repeat group.

BTW, I also advise you to use the coalesce function to overcome the non-response variables by following this post discussed previously:

Calculating the sum

You could do the same as outlined in the image shared below: In the survey tab of your xlsform: [Image 1] Data entry screen as seen in Enketo: [Image 2] Reference xlsform: Sum.xlsx (8.9 KB)