different stations being capable of presenting different questions simultaneously

Full Title

Electrically-operated teaching apparatus or devices working with questions and answers (mechanically operated G09B3/00; computing arrangements G06F) > of the multiple-choice answer-type, i.e. where a given question is provided with a series of answers and a choice has to be made from the answers > providing for individual presentation of questions to a plurality of student stations > different stations being capable of presenting different questions simultaneously