The answer given to a numeric question can only be in numeric format. 

Create a question: 

1) Enter the question into the 'Question' field. 

2) When adding 'Solutions', you have two options: 

• Exact value with margin of error: provide a number, then set the margin of error. The margin of error has to me typed in in % format. 
• Range: 'from to' range can be defined, in which the answer will be correct. 

3) View the preview of the question.  

4)  After editing the questions, click on "Save and close" if you do not want to create any more questions, or click on "Save and new" if you want to create further questions.