{
  "title": "Long vs Short (Grade 1)",
  "total_questions": 100,
  "questions": [
    {"id": 1, "difficulty": "easy", "question": "Which is longer: a pencil ✏️ or an eraser?", "options": {"A": "Pencil", "B": "Eraser", "C": "Same", "D": "Sharpener"}, "correct_answer": "A"},
    {"id": 2, "difficulty": "easy", "question": "Which is shorter: your finger or your arm?", "options": {"A": "Finger", "B": "Arm", "C": "Same", "D": "Leg"}, "correct_answer": "A"},
    {"id": 3, "difficulty": "easy", "question": "🐍 Which is longer: a snake or a worm?", "options": {"A": "Snake", "B": "Worm", "C": "Same", "D": "Ant"}, "correct_answer": "A"},
    {"id": 4, "difficulty": "easy", "question": "Which is shorter: a bus or a bicycle?", "options": {"A": "Bus", "B": "Bicycle", "C": "Same", "D": "Car"}, "correct_answer": "B"},
    {"id": 5, "difficulty": "easy", "question": "📏 Which is longer: a ruler or a crayon?", "options": {"A": "Ruler", "B": "Crayon", "C": "Same", "D": "Marker"}, "correct_answer": "A"},
    {"id": 6, "difficulty": "easy", "question": "Which is shorter: a giraffe's neck or a dog's neck?", "options": {"A": "Giraffe's neck", "B": "Dog's neck", "C": "Same", "D": "Elephant's neck"}, "correct_answer": "B"},
    {"id": 7, "difficulty": "easy", "question": "🌳 Which is longer: a tree or a plant?", "options": {"A": "Tree", "B": "Plant", "C": "Same", "D": "Flower"}, "correct_answer": "A"},
    {"id": 8, "difficulty": "easy", "question": "Which is shorter: a ladder or a step stool?", "options": {"A": "Ladder", "B": "Step stool", "C": "Same", "D": "Chair"}, "correct_answer": "B"},
    {"id": 9, "difficulty": "easy", "question": "🦒 Which animal has a longer neck: giraffe or horse?", "options": {"A": "Giraffe", "B": "Horse", "C": "Same", "D": "Cow"}, "correct_answer": "A"},
  {
  "id": 10,
  "difficulty": "easy",
  "question": "Which is longer: a long ribbon 🎀 or a shoelace?",
  "options": {
    "A": "Shoelace",
    "B": "Ribbon",
    "C": "Same",
    "D": "Thread"
  },
  "correct_answer": "B"
}
, {"id": 11, "difficulty": "easy", "question": "Which is shorter: a paper clip or a pen?", "options": {"A": "Paper clip", "B": "Pen", "C": "Same", "D": "Pencil"}, "correct_answer": "A"},
    {"id": 12, "difficulty": "easy", "question": "🚗 Which is longer: a car or a truck?", "options": {"A": "Car", "B": "Truck", "C": "Same", "D": "Bicycle"}, "correct_answer": "B"},
    {"id": 13, "difficulty": "easy", "question": "Which is shorter: a key or a spoon?", "options": {"A": "Key", "B": "Spoon", "C": "Same", "D": "Fork"}, "correct_answer": "A"},
    {"id": 14, "difficulty": "easy", "question": "🐘 Which animal has a longer trunk: elephant or pig?", "options": {"A": "Elephant", "B": "Pig", "C": "Same", "D": "Dog"}, "correct_answer": "A"},
    {"id": 15, "difficulty": "easy", "question": "Which is longer: a banana or a grape?", "options": {"A": "Banana", "B": "Grape", "C": "Same", "D": "Apple"}, "correct_answer": "A"},
   {
  "id": 16,
  "difficulty": "easy",
  "question": "Which is shorter: a small comb or a toothbrush?",
  "options": {
    "A": "Toothbrush",
    "B": "Comb",
    "C": "Same",
    "D": "Hairbrush"
  },
  "correct_answer": "B"
}
, {"id": 17, "difficulty": "easy", "question": "🌭 Which is longer: a hot dog or a burger?", "options": {"A": "Hot dog", "B": "Burger", "C": "Same", "D": "Sandwich"}, "correct_answer": "A"},
    {"id": 18, "difficulty": "easy", "question": "Which is shorter: a mouse's tail or a cat's tail?", "options": {"A": "Mouse's tail", "B": "Cat's tail", "C": "Same", "D": "Dog's tail"}, "correct_answer": "A"},
    {"id": 19, "difficulty": "easy", "question": "📏 Which is longer: 10 cm or 5 cm?", "options": {"A": "10 cm", "B": "5 cm", "C": "Same", "D": "15 cm"}, "correct_answer": "A"},
    {"id": 20, "difficulty": "easy", "question": "Which is shorter: 1 meter or 50 cm?", "options": {"A": "1 meter", "B": "50 cm", "C": "Same", "D": "100 cm"}, "correct_answer": "B"},
    
    {"id": 21, "difficulty": "medium", "question": "If rope A is 25 cm and rope B is 30 cm, which is longer?", "options": {"A": "Rope A", "B": "Rope B", "C": "Same", "D": "Can't tell"}, "correct_answer": "B"},
    {"id": 22, "difficulty": "medium", "question": "Which is shorter: 100 cm or 1 m?", "options": {"A": "100 cm", "B": "1 m", "C": "Same", "D": "10 cm"}, "correct_answer": "C"},
    {"id": 23, "difficulty": "medium", "question": "Compare: 45 cm __ 54 cm.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "B"},
    {"id": 24, "difficulty": "medium", "question": "Which is longer: 2 m or 150 cm?", "options": {"A": "2 m", "B": "150 cm", "C": "Same", "D": "200 cm"}, "correct_answer": "A"},
    {"id": 25, "difficulty": "medium", "question": "If a pencil is 15 cm and a pen is 12 cm, which is shorter?", "options": {"A": "Pencil", "B": "Pen", "C": "Same", "D": "Eraser"}, "correct_answer": "B"},
    {"id": 26, "difficulty": "medium", "question": "Which is longer: 0.5 m or 50 cm?", "options": {"A": "0.5 m", "B": "50 cm", "C": "Same", "D": "5 cm"}, "correct_answer": "C"},
    {"id": 27, "difficulty": "medium", "question": "Compare: 1 m 20 cm __ 120 cm.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 28, "difficulty": "medium", "question": "Which is shorter: 300 mm or 30 cm?", "options": {"A": "300 mm", "B": "30 cm", "C": "Same", "D": "3 cm"}, "correct_answer": "C"},
    {"id": 29, "difficulty": "medium", "question": "If a table is 1 m long and a desk is 90 cm, which is longer?", "options": {"A": "Table", "B": "Desk", "C": "Same", "D": "Chair"}, "correct_answer": "A"},
    {"id": 30, "difficulty": "medium", "question": "Which is longer: 250 cm or 2 m 50 cm?", "options": {"A": "250 cm", "B": "2 m 50 cm", "C": "Same", "D": "255 cm"}, "correct_answer": "C"},
    {"id": 31, "difficulty": "medium", "question": "Compare: 75 cm __ 7 m.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "B"},
    {"id": 32, "difficulty": "medium", "question": "Which is shorter: 1 km or 1000 m?", "options": {"A": "1 km", "B": "1000 m", "C": "Same", "D": "10 m"}, "correct_answer": "C"},
    {"id": 33, "difficulty": "medium", "question": "If ribbon X is 40 cm and ribbon Y is 4 dm, which is longer?", "options": {"A": "Ribbon X", "B": "Ribbon Y", "C": "Same", "D": "Can't tell"}, "correct_answer": "C"},
    {"id": 34, "difficulty": "medium", "question": "Which is longer: 0.8 m or 80 cm?", "options": {"A": "0.8 m", "B": "80 cm", "C": "Same", "D": "8 cm"}, "correct_answer": "C"},
    {"id": 35, "difficulty": "medium", "question": "Compare: 1.5 m __ 150 cm.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 36, "difficulty": "medium", "question": "Which is shorter: 500 mm or 5 m?", "options": {"A": "500 mm", "B": "5 m", "C": "Same", "D": "50 cm"}, "correct_answer": "A"},
    {"id": 37, "difficulty": "medium", "question": "If a stick is 65 cm and another is 6 dm, which is longer?", "options": {"A": "65 cm stick", "B": "6 dm stick", "C": "Same", "D": "60 cm"}, "correct_answer": "B"},
    {"id": 38, "difficulty": "medium", "question": "Which is longer: 3 m or 250 cm?", "options": {"A": "3 m", "B": "250 cm", "C": "Same", "D": "300 cm"}, "correct_answer": "A"},
    {"id": 39, "difficulty": "medium", "question": "Compare: 90 cm __ 0.9 m.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 40, "difficulty": "medium", "question": "Which is shorter: 2.5 m or 250 cm?", "options": {"A": "2.5 m", "B": "250 cm", "C": "Same", "D": "25 cm"}, "correct_answer": "C"},
    {"id": 41, "difficulty": "medium", "question": "If a rope is 120 cm and a string is 1 m 10 cm, which is longer?", "options": {"A": "Rope", "B": "String", "C": "Same", "D": "Can't tell"}, "correct_answer": "A"},
    {"id": 42, "difficulty": "medium", "question": "Which is longer: 4 dm or 40 cm?", "options": {"A": "4 dm", "B": "40 cm", "C": "Same", "D": "400 mm"}, "correct_answer": "C"},
    {"id": 43, "difficulty": "medium", "question": "Compare: 600 mm __ 60 cm.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 44, "difficulty": "medium", "question": "Which is shorter: 1.2 m or 1200 mm?", "options": {"A": "1.2 m", "B": "1200 mm", "C": "Same", "D": "12 cm"}, "correct_answer": "C"},
    {"id": 45, "difficulty": "medium", "question": "If a pole is 3 m and a post is 250 cm, which is longer?", "options": {"A": "Pole", "B": "Post", "C": "Same", "D": "300 cm"}, "correct_answer": "A"},
    {"id": 46, "difficulty": "medium", "question": "Which is longer: 7 dm or 70 cm?", "options": {"A": "7 dm", "B": "70 cm", "C": "Same", "D": "700 mm"}, "correct_answer": "C"},
    {"id": 47, "difficulty": "medium", "question": "Compare: 0.25 m __ 25 cm.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 48, "difficulty": "medium", "question": "Which is shorter: 1500 mm or 1.5 m?", "options": {"A": "1500 mm", "B": "1.5 m", "C": "Same", "D": "15 cm"}, "correct_answer": "C"},
    {"id": 49, "difficulty": "medium", "question": "If a wire is 85 cm and a cable is 9 dm, which is longer?", "options": {"A": "Wire", "B": "Cable", "C": "Same", "D": "90 cm"}, "correct_answer": "B"},
    {"id": 50, "difficulty": "medium", "question": "Which is longer: 0.3 km or 300 m?", "options": {"A": "0.3 km", "B": "300 m", "C": "Same", "D": "30 m"}, "correct_answer": "C"},
    {"id": 51, "difficulty": "medium", "question": "Compare: 2 m 50 cm __ 2500 mm.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 52, "difficulty": "medium", "question": "Which is shorter: 400 cm or 4 m?", "options": {"A": "400 cm", "B": "4 m", "C": "Same", "D": "40 dm"}, "correct_answer": "C"},
    {"id": 53, "difficulty": "medium", "question": "If a bench is 2 m and a stool is 75 cm, which is longer?", "options": {"A": "Bench", "B": "Stool", "C": "Same", "D": "Chair"}, "correct_answer": "A"},
    {"id": 54, "difficulty": "medium", "question": "Which is longer: 5.5 m or 550 cm?", "options": {"A": "5.5 m", "B": "550 cm", "C": "Same", "D": "55 dm"}, "correct_answer": "C"},
    {"id": 55, "difficulty": "medium", "question": "Compare: 0.75 m __ 750 mm.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 56, "difficulty": "medium", "question": "Which is shorter: 2 km or 2000 m?", "options": {"A": "2 km", "B": "2000 m", "C": "Same", "D": "20 m"}, "correct_answer": "C"},
    {"id": 57, "difficulty": "medium", "question": "If a track is 100 m and a road is 0.1 km, which is longer?", "options": {"A": "Track", "B": "Road", "C": "Same", "D": "10 m"}, "correct_answer": "C"},
    {"id": 58, "difficulty": "medium", "question": "Which is longer: 8 dm or 800 mm?", "options": {"A": "8 dm", "B": "800 mm", "C": "Same", "D": "80 cm"}, "correct_answer": "C"},
    {"id": 59, "difficulty": "medium", "question": "Compare: 1.8 m __ 180 cm.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 60, "difficulty": "medium", "question": "Which is shorter: 3000 mm or 3 m?", "options": {"A": "3000 mm", "B": "3 m", "C": "Same", "D": "30 cm"}, "correct_answer": "C"},
    {"id": 61, "difficulty": "medium", "question": "If a hose is 12 m and a pipe is 1200 cm, which is longer?", "options": {"A": "Hose", "B": "Pipe", "C": "Same", "D": "1.2 m"}, "correct_answer": "C"},
    {"id": 62, "difficulty": "medium", "question": "Which is longer: 0.6 km or 600 m?", "options": {"A": "0.6 km", "B": "600 m", "C": "Same", "D": "60 m"}, "correct_answer": "C"},
    {"id": 63, "difficulty": "medium", "question": "Compare: 2.2 m __ 220 cm.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 64, "difficulty": "medium", "question": "Which is shorter: 4500 mm or 4.5 m?", "options": {"A": "4500 mm", "B": "4.5 m", "C": "Same", "D": "45 cm"}, "correct_answer": "C"},
    {"id": 65, "difficulty": "medium", "question": "If a bridge is 50 m and a tunnel is 0.05 km, which is longer?", "options": {"A": "Bridge", "B": "Tunnel", "C": "Same", "D": "500 m"}, "correct_answer": "C"},
    {"id": 66, "difficulty": "medium", "question": "Which is longer: 9 dm or 900 mm?", "options": {"A": "9 dm", "B": "900 mm", "C": "Same", "D": "90 cm"}, "correct_answer": "C"},
    {"id": 67, "difficulty": "medium", "question": "Compare: 3.5 m __ 350 cm.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 68, "difficulty": "medium", "question": "Which is shorter: 6000 mm or 6 m?", "options": {"A": "6000 mm", "B": "6 m", "C": "Same", "D": "60 dm"}, "correct_answer": "C"},
    {"id": 69, "difficulty": "medium", "question": "If a fence is 30 m and a wall is 3000 cm, which is longer?", "options": {"A": "Fence", "B": "Wall", "C": "Same", "D": "3 m"}, "correct_answer": "C"},
    {"id": 70, "difficulty": "medium", "question": "Which is longer: 0.9 km or 900 m?", "options": {"A": "0.9 km", "B": "900 m", "C": "Same", "D": "90 m"}, "correct_answer": "C"},
    {"id": 71, "difficulty": "medium", "question": "Compare: 4.8 m __ 480 cm.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 72, "difficulty": "medium", "question": "Which is shorter: 7000 mm or 7 m?", "options": {"A": "7000 mm", "B": "7 m", "C": "Same", "D": "70 dm"}, "correct_answer": "C"},
    {"id": 73, "difficulty": "medium", "question": "If a runway is 1 km and a street is 1000 m, which is longer?", "options": {"A": "Runway", "B": "Street", "C": "Same", "D": "10 m"}, "correct_answer": "C"},
    {"id": 74, "difficulty": "medium", "question": "Which is longer: 10 dm or 1000 mm?", "options": {"A": "10 dm", "B": "1000 mm", "C": "Same", "D": "1 m"}, "correct_answer": "C"},
    {"id": 75, "difficulty": "medium", "question": "Compare: 5.6 m __ 560 cm.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 76, "difficulty": "medium", "question": "Which is shorter: 8000 mm or 8 m?", "options": {"A": "8000 mm", "B": "8 m", "C": "Same", "D": "80 dm"}, "correct_answer": "C"},
    {"id": 77, "difficulty": "medium", "question": "If a river is 2 km and a canal is 2000 m, which is longer?", "options": {"A": "River", "B": "Canal", "C": "Same", "D": "20 m"}, "correct_answer": "C"},
    {"id": 78, "difficulty": "medium", "question": "Which is longer: 11 dm or 1100 mm?", "options": {"A": "11 dm", "B": "1100 mm", "C": "Same", "D": "1.1 m"}, "correct_answer": "C"},
    {"id": 79, "difficulty": "medium", "question": "Compare: 6.7 m __ 670 cm.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 80, "difficulty": "medium", "question": "Which is shorter: 9000 mm or 9 m?", "options": {"A": "9000 mm", "B": "9 m", "C": "Same", "D": "90 dm"}, "correct_answer": "C"},
    
    {"id": 81, "difficulty": "hard", "question": "If a snake is 2.5 m and a python is 250 cm, which is longer?", "options": {"A": "Snake", "B": "Python", "C": "Same", "D": "Can't tell"}, "correct_answer": "C"},
    {"id": 82, "difficulty": "hard", "question": "Which is longer: 0.12 km or 120 m?", "options": {"A": "0.12 km", "B": "120 m", "C": "Same", "D": "1.2 km"}, "correct_answer": "C"},
    {"id": 83, "difficulty": "hard", "question": "Compare: 3.25 m __ 325 cm.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 84, "difficulty": "hard", "question": "Which is shorter: 12500 mm or 12.5 m?", "options": {"A": "12500 mm", "B": "12.5 m", "C": "Same", "D": "125 cm"}, "correct_answer": "C"},
    {"id": 85, "difficulty": "hard", "question": "If a building is 0.03 km tall and a tower is 30 m, which is taller?", "options": {"A": "Building", "B": "Tower", "C": "Same", "D": "3 m"}, "correct_answer": "C"},
    {"id": 86, "difficulty": "hard", "question": "Which is longer: 15 dm or 1.5 m?", "options": {"A": "15 dm", "B": "1.5 m", "C": "Same", "D": "150 cm"}, "correct_answer": "C"},
    {"id": 87, "difficulty": "hard", "question": "Compare: 4.75 m __ 4750 mm.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 88, "difficulty": "hard", "question": "Which is shorter: 18000 mm or 18 m?", "options": {"A": "18000 mm", "B": "18 m", "C": "Same", "D": "180 dm"}, "correct_answer": "C"},
    {"id": 89, "difficulty": "hard", "question": "If a rope is 5.5 m and a chain is 550 cm, which is longer?", "options": {"A": "Rope", "B": "Chain", "C": "Same", "D": "55 dm"}, "correct_answer": "C"},
    {"id": 90, "difficulty": "hard", "question": "Which is longer: 0.075 km or 75 m?", "options": {"A": "0.075 km", "B": "75 m", "C": "Same", "D": "750 m"}, "correct_answer": "C"},
    {"id": 91, "difficulty": "hard", "question": "Compare: 8.33 m __ 833 cm.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 92, "difficulty": "hard", "question": "Which is shorter: 22000 mm or 22 m?", "options": {"A": "22000 mm", "B": "22 m", "C": "Same", "D": "220 dm"}, "correct_answer": "C"},
    {"id": 93, "difficulty": "hard", "question": "If a bridge is 0.125 km long and a tunnel is 125 m, which is longer?", "options": {"A": "Bridge", "B": "Tunnel", "C": "Same", "D": "12.5 m"}, "correct_answer": "C"},
    {"id": 94, "difficulty": "hard", "question": "Which is longer: 25 dm or 2.5 m?", "options": {"A": "25 dm", "B": "2.5 m", "C": "Same", "D": "250 cm"}, "correct_answer": "C"},
    {"id": 95, "difficulty": "hard", "question": "Compare: 9.99 m __ 999 cm.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 96, "difficulty": "hard", "question": "Which is shorter: 33300 mm or 33.3 m?", "options": {"A": "33300 mm", "B": "33.3 m", "C": "Same", "D": "333 dm"}, "correct_answer": "C"},
    {"id": 97, "difficulty": "hard", "question": "If a track is 0.4 km and a path is 400 m, which is longer?", "options": {"A": "Track", "B": "Path", "C": "Same", "D": "40 m"}, "correct_answer": "C"},
    {"id": 98, "difficulty": "hard", "question": "Which is longer: 40 dm or 4 m?", "options": {"A": "40 dm", "B": "4 m", "C": "Same", "D": "400 cm"}, "correct_answer": "C"},
    {"id": 99, "difficulty": "hard", "question": "Compare: 12.34 m __ 1234 cm.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 100, "difficulty": "hard", "question": "Which is shorter: 55500 mm or 55.5 m?", "options": {"A": "55500 mm", "B": "55.5 m", "C": "Same", "D": "555 dm"}, "correct_answer": "C"}
  ]
}