[{"id": 1, "type": "multiple_choice", "options": ["12:2", "3:8", "7:6", "12:8"], "question": "If the ratio is 3:2, what is the equivalent ratio when multiplied by 4?", "correct_answer": "12:8"}, {"id": 2, "type": "multiple_choice", "options": ["56 square units", "34 square units", "52 square units", "17 square units"], "question": "What is the area of a rectangle with length 4 and width 13?", "correct_answer": "52 square units"}, {"id": 3, "type": "short_answer", "question": "What is 20% of 200?", "correct_answer": "40"}, {"id": 4, "type": "multiple_choice", "options": ["10:10", "5:10", "7:7", "10:5"], "question": "If the ratio is 5:5, what is the equivalent ratio when multiplied by 2?", "correct_answer": "10:10"}, {"id": 5, "type": "short_answer", "question": "What is 70% of 130?", "correct_answer": "91"}]