[{"id": 1, "type": "multiple_choice", "options": ["8 square units", "10 square units", "5 square units", "6 square units"], "question": "What is the area of a rectangle with length 2 and width 3?", "correct_answer": "6 square units"}, {"id": 2, "type": "true_false", "question": "The square root of 25 is 5.", "correct_answer": "True"}, {"id": 3, "type": "true_false", "question": "The square root of 81 is 9.", "correct_answer": "True"}, {"id": 4, "type": "short_answer", "question": "Evaluate: 1 + (1)", "correct_answer": "2"}, {"id": 5, "type": "multiple_choice", "options": ["126 square units", "135 square units", "46 square units", "23 square units"], "question": "What is the area of a rectangle with length 9 and width 14?", "correct_answer": "126 square units"}]