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Vinay SalveVinay Salve 

Which two statements are true regarding formula fields?

Q. Which two statements are true regarding formula fields?
Options for Answers
1. When using the & operator to concatenate strings, the result is automatically truncated to fit the destination
2. When concatenating fields, line breaks can be added to improve readability
3. Fields that are referenced by a formula field can not be deleted until the formula is modified or deleted
4. Formula fields may reference formula fields on the same object to a level of one deep

I think that option number 3 & 4 are correct, please confirm if my understanding is correct

Thanks to all
ApuroopApuroop
It should be 1 and 3. 

2 is more of an opinion rather than a fact about formula fields.
4 is definitely wrong because I just created four formula fields which reference each other. (4 levels down)