Sentence examples similar to question are compulsory from inspiring English sources

No survey question was compulsory so the denominator varies for each.

It tends to be less successful in exams where all the questions are compulsory.

10 of the questions were compulsory.

All questions were compulsory unless otherwise stated.

None of the questions were compulsory.

Seat belts are compulsory.

7. Regrettably bagpipes are compulsory.

Sports are compulsory at the school.

For chemistry, the challenging question was a compulsory question in LCs and it was an optional question in the graded quiz.

All French people (no age limits) are questioned and answering is compulsory.

This works especially well if the evaluation questions are non-compulsory, which leads to only "true" experts answering them [77].