@ -38,6 +38,8 @@ namespace :excellent_course_exercise do
rand_num = index < pass_count - 1 ? 20 : rand(1..16)
elsif exercise_question_ids.length == 17
rand_num = index < pass_count - 1 ? rand(13..17) : rand(1..11)
elsif exercise_question_ids.length == 39
rand_num = index < pass_count - 1 ? rand(30..39) : rand(1..18)
else
rand_num = exercise_question_ids.length
end