25 questions / lesson 1 lesson 1 lesson 2 lesson 2 and 3 lesson 3
24 questions / Lesson 1 Lesson 1 part 2 Lesson 2 Lesson 2&3 Lesson 3
24 questions / Lesson 1 Lesson 1 part 2 Lesson 2 Lesson 2&3 Lesson 3
24 questions / Lesson 1 Lesson 1 part 2 Lesson 2 Lesson 2&3 Lesson 3
25 questions / Lesson 1 Lesson 1 part 2 Lesson 2 Lesson 2&3 Lesson 3