Sum of two questions should match the first question

Screenshot 2022-06-15 103823
Q6 is the total number of sheeps
@7 is Ram sheeps
@8 is Ewe sheeps
how to add validation to these

Hello test34,

For adding validation, you need to use the constraint and calculation function, for reference I had attached the Excel.

Hope this works for you,

Dinesh Dongol
calculation with sum.xlsx (11.8 KB)

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Thank you for helping Dnes!
But i one thing I am looking for is an Error message that should display under the q7 and q8

For that, you can group the whole three questions and make an appearance as a table list. All three question will be displayed in Single page, with error message

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