[{"id": 1, "type": "multiple_choice", "options": ["10 square units", "8 square units", "6 square units", "12 square units"], "question": "What is the area of a rectangle with length 2 and width 4?", "correct_answer": "8 square units"}, {"id": 2, "type": "short_answer", "question": "What is 30% of 70?", "correct_answer": "21"}, {"id": 3, "type": "multiple_choice", "options": ["x = 13", "x = 11", "x = 12", "x = 36"], "question": "Solve for x: 3x = 36", "correct_answer": "x = 12"}, {"id": 4, "type": "true_false", "question": "The square root of 100 is 10.", "correct_answer": "True"}, {"id": 5, "type": "short_answer", "question": "Evaluate: 8 + (-8)", "correct_answer": "0"}, {"id": 6, "type": "true_false", "question": "The square root of 100 is 10.", "correct_answer": "True"}, {"id": 7, "type": "multiple_choice", "options": ["x = 0", "x = 8", "x = 1", "x = 2"], "question": "Solve for x: 8x = 8", "correct_answer": "x = 1"}, {"id": 8, "type": "true_false", "question": "The square root of 144 is 12.", "correct_answer": "True"}]