Correct option is B
· Flashcards are visual aids used for teaching and presentations, especially in small group settings.
· For a group of 10–25 people, the size of the flashcard should be clearly visible to everyone.
· The recommended size for small groups is 10” x 12”, as it offers adequate visibility and portability.
· Larger sizes are usually reserved for larger audiences or outdoor demonstrations.
Thus, the correct answer is (b).