# ExpressionScript sample surveys/137/en

### From LimeSurvey Manual

This survey shows how you can configure a survey to randomly display one question per group. In it, there are 5 groups of 6 questions each. At the outset, in Group 0, five hidden Equation questions, called ask1-ask5, are populated. Each one has the value of {floor(rand(1,6.9999))} in the question text field, which means that the variables ask1-ask5 will each have a value between 1 and 6. Then, each question in the group has a relevance equation like "ask1==N" where N is the Nth question in the group (so the third question in group 1 has the relevance equation "ask1==3").