[{"id": 1, "type": "true_false", "question": "The square root of 121 is 11.", "correct_answer": "True"}, {"id": 2, "type": "short_answer", "question": "What is 60% of 50?", "correct_answer": "30"}, {"id": 3, "type": "short_answer", "question": "What is 70% of 120?", "correct_answer": "84"}, {"id": 4, "type": "short_answer", "question": "Evaluate: 2 + (-4)", "correct_answer": "-2"}, {"id": 5, "type": "short_answer", "question": "Evaluate: 2 + (10)", "correct_answer": "12"}, {"id": 6, "type": "multiple_choice", "options": ["120 square units", "21 square units", "110 square units", "42 square units"], "question": "What is the area of a rectangle with length 10 and width 11?", "correct_answer": "110 square units"}, {"id": 7, "type": "true_false", "question": "The square root of 144 is 12.", "correct_answer": "True"}, {"id": 8, "type": "multiple_choice", "options": ["36 square units", "60 square units", "56 square units", "18 square units"], "question": "What is the area of a rectangle with length 4 and width 14?", "correct_answer": "56 square units"}]