Randomness scoring ? Lectora 11

Heres the scene....There are 6 clips. Each call has 3 question, e.g. call clip 1 has SQ001, SQ002, SQ003, etc for the rest that ties individual question variables. With random selection of 4 out of 6, you may get call clip 1, 3, 4, 6 (or any other possible combination). With that selected questions, you get SQ001 to 003, SQ007 to SQ009, SQ013 to SQ015, and SQ019 to SQ021. The questions not selected are question 2, 5 and their variables are SQ004 to SQ006 and SQ016 to SQ018. Everytime it can be different so you won't be able to pre-assign a question with UQ variable names or using "Score" to be excluded from calculation. For example, if we set question 11 using "Score-11", what it's selected? Then the selected call clip questions are not calculated. That would mess up the calculation.

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