[{"id": 1, "type": "multiple_choice", "options": ["99 square units", "110 square units", "40 square units", "20 square units"], "question": "What is the area of a rectangle with length 11 and width 9?", "correct_answer": "99 square units"}, {"id": 2, "type": "multiple_choice", "options": ["32 square units", "60 square units", "16 square units", "70 square units"], "question": "What is the area of a rectangle with length 10 and width 6?", "correct_answer": "60 square units"}, {"id": 3, "type": "short_answer", "question": "What is 80% of 70?", "correct_answer": "56"}, {"id": 4, "type": "short_answer", "question": "Evaluate: 4 + (-1)", "correct_answer": "3"}, {"id": 5, "type": "short_answer", "question": "What is 70% of 130?", "correct_answer": "91"}, {"id": 6, "type": "multiple_choice", "options": ["36 square units", "70 square units", "56 square units", "18 square units"], "question": "What is the area of a rectangle with length 14 and width 4?", "correct_answer": "56 square units"}, {"id": 7, "type": "multiple_choice", "options": ["12:5", "7:9", "12:20", "3:20"], "question": "If the ratio is 3:5, what is the equivalent ratio when multiplied by 4?", "correct_answer": "12:20"}, {"id": 8, "type": "multiple_choice", "options": ["14 square units", "54 square units", "28 square units", "48 square units"], "question": "What is the area of a rectangle with length 6 and width 8?", "correct_answer": "48 square units"}]