{
  "title": "Tall vs Short (Grade 1)",
  "total_questions": 100,
  "questions": [
    {"id": 1, "difficulty": "easy", "question": "Which is taller: a giraffe 🦒 or a dog 🐕?", "options": {"A": "Giraffe", "B": "Dog", "C": "Same", "D": "Cat"}, "correct_answer": "A"},
    {"id": 2, "difficulty": "easy", "question": "Which is shorter: a baby 👶 or an adult?", "options": {"A": "Baby", "B": "Adult", "C": "Same", "D": "Teenager"}, "correct_answer": "A"},
    {"id": 3, "difficulty": "easy", "question": "🌲 Which is taller: a tree or a flower?", "options": {"A": "Tree", "B": "Flower", "C": "Same", "D": "Bush"}, "correct_answer": "A"},
    {"id": 4, "difficulty": "easy", "question": "Which is shorter: a table or a chair?", "options": {"A": "Table", "B": "Chair", "C": "Same", "D": "Stool"}, "correct_answer": "B"},
    {"id": 5, "difficulty": "easy", "question": "🏙️ Which is taller: a building or a house?", "options": {"A": "Building", "B": "House", "C": "Same", "D": "Hut"}, "correct_answer": "A"},
    {"id": 6, "difficulty": "easy", "question": "Which is shorter: a lamp or a ceiling fan?", "options": {"A": "Lamp", "B": "Ceiling fan", "C": "Same", "D": "Light bulb"}, "correct_answer": "A"},
    {"id": 7, "difficulty": "easy", "question": "🦒 Which animal is tallest: elephant, giraffe, lion?", "options": {"A": "Elephant", "B": "Giraffe", "C": "Lion", "D": "All same"}, "correct_answer": "B"},
    {"id": 8, "difficulty": "easy", "question": "Which is shorter: a pencil or a ruler?", "options": {"A": "Pencil", "B": "Ruler", "C": "Same", "D": "Marker"}, "correct_answer": "A"},
    {"id": 9, "difficulty": "easy", "question": "🌻 Which is taller: sunflower or rose?", "options": {"A": "Sunflower", "B": "Rose", "C": "Same", "D": "Daisy"}, "correct_answer": "A"},
    {"id": 10, "difficulty": "easy", "question": "Which is shorter: a mountain or a hill?", "options": {"A": "Mountain", "B": "Hill", "C": "Same", "D": "Valley"}, "correct_answer": "B"},
    {"id": 11, "difficulty": "easy", "question": "📏 Which is taller: 100 cm or 1 m?", "options": {"A": "100 cm", "B": "1 m", "C": "Same", "D": "10 cm"}, "correct_answer": "C"},
    {"id": 12, "difficulty": "easy", "question": "Which is shorter: 50 cm or 1 m?", "options": {"A": "50 cm", "B": "1 m", "C": "Same", "D": "150 cm"}, "correct_answer": "A"},
    {"id": 13, "difficulty": "easy", "question": "🐘 Which is taller: an elephant or a horse?", "options": {"A": "Elephant", "B": "Horse", "C": "Same", "D": "Cow"}, "correct_answer": "A"},
    {"id": 14, "difficulty": "easy", "question": "Which is shorter: a bush or a tree?", "options": {"A": "Bush", "B": "Tree", "C": "Same", "D": "Plant"}, "correct_answer": "A"},
    {"id": 15, "difficulty": "easy", "question": "🏠 Which is taller: a two-story house or a one-story house?", "options": {"A": "Two-story house", "B": "One-story house", "C": "Same", "D": "Apartment"}, "correct_answer": "A"},
    {"id": 16, "difficulty": "easy", "question": "Which is shorter: a coffee mug or a water bottle?", "options": {"A": "Coffee mug", "B": "Water bottle", "C": "Same", "D": "Glass"}, "correct_answer": "A"},
    {"id": 17, "difficulty": "easy", "question": "🦘 Which is taller: a kangaroo or a rabbit?", "options": {"A": "Kangaroo", "B": "Rabbit", "C": "Same", "D": "Mouse"}, "correct_answer": "A"},
    {"id": 18, "difficulty": "easy", "question": "Which is shorter: a door or a window?", "options": {"A": "Door", "B": "Window", "C": "Same", "D": "Wall"}, "correct_answer": "B"},
    {"id": 19, "difficulty": "easy", "question": "📚 Which is taller: a stack of 5 books or a stack of 3 books?", "options": {"A": "5 books", "B": "3 books", "C": "Same", "D": "10 books"}, "correct_answer": "A"},
    {"id": 20, "difficulty": "easy", "question": "Which is shorter: a child or a teacher?", "options": {"A": "Child", "B": "Teacher", "C": "Same", "D": "Parent"}, "correct_answer": "A"},
    
    {"id": 21, "difficulty": "medium", "question": "If Plant A is 30 cm tall and Plant B is 40 cm tall, which is taller?", "options": {"A": "Plant A", "B": "Plant B", "C": "Same", "D": "Can't tell"}, "correct_answer": "B"},
   {
  "id": 22,
  "difficulty": "medium",
  "question": "Which is same in height: 120 cm or 1 m 20 cm?",
  "options": {
    "A": "120 cm",
    "B": "1 m 20 cm",
    "C": "Both are same",
    "D": "None"
  },
  "correct_answer": "C"
}
, {"id": 23, "difficulty": "medium", "question": "Compare: 150 cm __ 1.5 m.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 24, "difficulty": "medium", "question": "Which is taller: 2 m or 190 cm?", "options": {"A": "2 m", "B": "190 cm", "C": "Same", "D": "200 cm"}, "correct_answer": "A"},
    {"id": 25, "difficulty": "medium", "question": "If a pole is 3 m tall and a post is 250 cm tall, which is taller?", "options": {"A": "Pole", "B": "Post", "C": "Same", "D": "Can't tell"}, "correct_answer": "A"},
    {"id": 26, "difficulty": "medium", "question": "Which is shorter: 0.8 m or 80 cm?", "options": {"A": "0.8 m", "B": "80 cm", "C": "Same", "D": "8 cm"}, "correct_answer": "C"},
    {"id": 27, "difficulty": "medium", "question": "Compare: 1 m 25 cm __ 125 cm.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 28, "difficulty": "medium", "question": "Which is taller: 300 cm or 3 m?", "options": {"A": "300 cm", "B": "3 m", "C": "Same", "D": "30 cm"}, "correct_answer": "C"},
    {
  "id": 29,
  "difficulty": "medium",
  "question": "If a tree is 4 m tall and a building is 400 cm tall, what is true?",
  "options": {
    "A": "Tree is taller",
    "B": "Building is taller",
    "C": "Both are same height",
    "D": "Cannot tell"
  },
  "correct_answer": "C"
}
, {"id": 30, "difficulty": "medium", "question": "Which is shorter: 450 cm or 4.5 m?", "options": {"A": "450 cm", "B": "4.5 m", "C": "Same", "D": "45 cm"}, "correct_answer": "C"},
    {"id": 31, "difficulty": "medium", "question": "Compare: 2.2 m __ 220 cm.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 32, "difficulty": "medium", "question": "Which is taller: 1.8 m or 180 cm?", "options": {"A": "1.8 m", "B": "180 cm", "C": "Same", "D": "18 cm"}, "correct_answer": "C"},
    {"id": 33, "difficulty": "medium", "question": "If a tower is 50 m tall and a pole is 5000 cm tall, which is taller?", "options": {"A": "Tower", "B": "Pole", "C": "Same", "D": "Pole shorter"}, "correct_answer": "C"},
    {"id": 34, "difficulty": "medium", "question": "Which is shorter: 600 cm or 6 m?", "options": {"A": "600 cm", "B": "6 m", "C": "Same", "D": "60 dm"}, "correct_answer": "C"},
    {"id": 35, "difficulty": "medium", "question": "Compare: 3.5 m __ 350 cm.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 36, "difficulty": "medium", "question": "Which is taller: 0.5 km or 500 m?", "options": {"A": "0.5 km", "B": "500 m", "C": "Same", "D": "50 m"}, "correct_answer": "C"},
    {"id": 37, "difficulty": "medium", "question": "If a mountain is 2 km tall and a hill is 2000 m tall, which is taller?", "options": {"A": "Mountain", "B": "Hill", "C": "Same", "D": "Hill shorter"}, "correct_answer": "C"},
    {"id": 38, "difficulty": "medium", "question": "Which is shorter: 7000 mm or 7 m?", "options": {"A": "7000 mm", "B": "7 m", "C": "Same", "D": "70 cm"}, "correct_answer": "C"},
    {"id": 39, "difficulty": "medium", "question": "Compare: 4.75 m __ 475 cm.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 40, "difficulty": "medium", "question": "Which is taller: 9.9 m or 990 cm?", "options": {"A": "9.9 m", "B": "990 cm", "C": "Same", "D": "99 cm"}, "correct_answer": "C"},
    {"id": 41, "difficulty": "medium", "question": "If a flagpole is 10 m tall and a tree is 1000 cm tall, which is taller?", "options": {"A": "Flagpole", "B": "Tree", "C": "Same", "D": "Tree shorter"}, "correct_answer": "C"},
    {"id": 42, "difficulty": "medium", "question": "Which is shorter: 12000 mm or 12 m?", "options": {"A": "12000 mm", "B": "12 m", "C": "Same", "D": "120 cm"}, "correct_answer": "C"},
    {"id": 43, "difficulty": "medium", "question": "Compare: 5.6 m __ 5600 mm.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 44, "difficulty": "medium", "question": "Which is taller: 0.12 km or 120 m?", "options": {"A": "0.12 km", "B": "120 m", "C": "Same", "D": "12 m"}, "correct_answer": "C"},
    {"id": 45, "difficulty": "medium", "question": "If a building is 0.03 km tall and a tower is 30 m tall, which is taller?", "options": {"A": "Building", "B": "Tower", "C": "Same", "D": "Tower shorter"}, "correct_answer": "C"},
    {"id": 46, "difficulty": "medium", "question": "Which is shorter: 15000 mm or 15 m?", "options": {"A": "15000 mm", "B": "15 m", "C": "Same", "D": "150 cm"}, "correct_answer": "C"},
    {"id": 47, "difficulty": "medium", "question": "Compare: 6.8 m __ 680 cm.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 48, "difficulty": "medium", "question": "Which is taller: 0.075 km or 75 m?", "options": {"A": "0.075 km", "B": "75 m", "C": "Same", "D": "7.5 m"}, "correct_answer": "C"},
    {"id": 49, "difficulty": "medium", "question": "If a bridge is 0.125 km high and a flyover is 125 m high, which is higher?", "options": {"A": "Bridge", "B": "Flyover", "C": "Same", "D": "Flyover higher"}, "correct_answer": "C"},
    {"id": 50, "difficulty": "medium", "question": "Which is shorter: 18000 mm or 18 m?", "options": {"A": "18000 mm", "B": "18 m", "C": "Same", "D": "180 cm"}, "correct_answer": "C"},
    {"id": 51, "difficulty": "medium", "question": "Compare: 7.3 m __ 730 cm.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 52, "difficulty": "medium", "question": "Which is taller: 0.2 km or 200 m?", "options": {"A": "0.2 km", "B": "200 m", "C": "Same", "D": "20 m"}, "correct_answer": "C"},
    {"id": 53, "difficulty": "medium", "question": "If a pylon is 0.05 km tall and a mast is 50 m tall, which is taller?", "options": {"A": "Pylon", "B": "Mast", "C": "Same", "D": "Mast shorter"}, "correct_answer": "C"},
    {"id": 54, "difficulty": "medium", "question": "Which is shorter: 21000 mm or 21 m?", "options": {"A": "21000 mm", "B": "21 m", "C": "Same", "D": "210 cm"}, "correct_answer": "C"},
    {"id": 55, "difficulty": "medium", "question": "Compare: 8.4 m __ 8400 mm.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 56, "difficulty": "medium", "question": "Which is taller: 0.3 km or 300 m?", "options": {"A": "0.3 km", "B": "300 m", "C": "Same", "D": "30 m"}, "correct_answer": "C"},
    {"id": 57, "difficulty": "medium", "question": "If a monument is 0.15 km tall and a statue is 150 m tall, which is taller?", "options": {"A": "Monument", "B": "Statue", "C": "Same", "D": "Statue shorter"}, "correct_answer": "C"},
    {"id": 58, "difficulty": "medium", "question": "Which is shorter: 24000 mm or 24 m?", "options": {"A": "24000 mm", "B": "24 m", "C": "Same", "D": "240 cm"}, "correct_answer": "C"},
    {"id": 59, "difficulty": "medium", "question": "Compare: 9.1 m __ 910 cm.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 60, "difficulty": "medium", "question": "Which is taller: 0.4 km or 400 m?", "options": {"A": "0.4 km", "B": "400 m", "C": "Same", "D": "40 m"}, "correct_answer": "C"},
    {"id": 61, "difficulty": "medium", "question": "If a tower is 0.25 km tall and a building is 250 m tall, which is taller?", "options": {"A": "Tower", "B": "Building", "C": "Same", "D": "Building shorter"}, "correct_answer": "C"},
    {"id": 62, "difficulty": "medium", "question": "Which is shorter: 27000 mm or 27 m?", "options": {"A": "27000 mm", "B": "27 m", "C": "Same", "D": "270 cm"}, "correct_answer": "C"},
    {"id": 63, "difficulty": "medium", "question": "Compare: 10.5 m __ 1050 cm.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 64, "difficulty": "medium", "question": "Which is taller: 0.6 km or 600 m?", "options": {"A": "0.6 km", "B": "600 m", "C": "Same", "D": "60 m"}, "correct_answer": "C"},
    {"id": 65, "difficulty": "medium", "question": "If a spire is 0.35 km tall and a minaret is 350 m tall, which is taller?", "options": {"A": "Spire", "B": "Minaret", "C": "Same", "D": "Minaret shorter"}, "correct_answer": "C"},
    {"id": 66, "difficulty": "medium", "question": "Which is shorter: 30000 mm or 30 m?", "options": {"A": "30000 mm", "B": "30 m", "C": "Same", "D": "300 cm"}, "correct_answer": "C"},
    {"id": 67, "difficulty": "medium", "question": "Compare: 11.2 m __ 1120 cm.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 68, "difficulty": "medium", "question": "Which is taller: 0.7 km or 700 m?", "options": {"A": "0.7 km", "B": "700 m", "C": "Same", "D": "70 m"}, "correct_answer": "C"},
    {"id": 69, "difficulty": "medium", "question": "If a column is 0.45 km tall and a pillar is 450 m tall, which is taller?", "options": {"A": "Column", "B": "Pillar", "C": "Same", "D": "Pillar shorter"}, "correct_answer": "C"},
    {"id": 70, "difficulty": "medium", "question": "Which is shorter: 33000 mm or 33 m?", "options": {"A": "33000 mm", "B": "33 m", "C": "Same", "D": "330 cm"}, "correct_answer": "C"},
    {"id": 71, "difficulty": "medium", "question": "Compare: 12.8 m __ 1280 cm.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 72, "difficulty": "medium", "question": "Which is taller: 0.8 km or 800 m?", "options": {"A": "0.8 km", "B": "800 m", "C": "Same", "D": "80 m"}, "correct_answer": "C"},
    {"id": 73, "difficulty": "medium", "question": "If a tower is 0.55 km tall and a block is 550 m tall, which is taller?", "options": {"A": "Tower", "B": "Block", "C": "Same", "D": "Block shorter"}, "correct_answer": "C"},
    {"id": 74, "difficulty": "medium", "question": "Which is shorter: 36000 mm or 36 m?", "options": {"A": "36000 mm", "B": "36 m", "C": "Same", "D": "360 cm"}, "correct_answer": "C"},
    {"id": 75, "difficulty": "medium", "question": "Compare: 13.7 m __ 1370 cm.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 76, "difficulty": "medium", "question": "Which is taller: 0.9 km or 900 m?", "options": {"A": "0.9 km", "B": "900 m", "C": "Same", "D": "90 m"}, "correct_answer": "C"},
    {"id": 77, "difficulty": "medium", "question": "If a structure is 0.65 km tall and an edifice is 650 m tall, which is taller?", "options": {"A": "Structure", "B": "Edifice", "C": "Same", "D": "Edifice shorter"}, "correct_answer": "C"},
    {"id": 78, "difficulty": "medium", "question": "Which is shorter: 39000 mm or 39 m?", "options": {"A": "39000 mm", "B": "39 m", "C": "Same", "D": "390 cm"}, "correct_answer": "C"},
    {"id": 79, "difficulty": "medium", "question": "Compare: 14.9 m __ 1490 cm.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 80, "difficulty": "medium", "question": "Which is taller: 1 km or 1000 m?", "options": {"A": "1 km", "B": "1000 m", "C": "Same", "D": "100 m"}, "correct_answer": "C"},
    
    {"id": 81, "difficulty": "hard", "question": "If Building A is 0.125 km tall and Building B is 125 m tall, and Building C is 130 m tall, which is tallest?", "options": {"A": "Building A", "B": "Building B", "C": "Building C", "D": "A and B same"}, "correct_answer": "C"},
   {
  "id": 82,
  "difficulty": "hard",
  "question": "Which of the following are equal in height: 0.01 km, 10 m, and 1000 cm?",
  "options": {
    "A": "0.01 km",
    "B": "10 m",
    "C": "1000 cm",
    "D": "All are same"
  },
  "correct_answer": "D"
}
, {"id": 83, "difficulty": "hard", "question": "Compare: 2.5 m + 150 cm __ 4 m.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
   {
  "id": 84,
  "difficulty": "hard",
  "question": "If Tree A is 3.5 m tall, Tree B is 350 cm tall, and Tree C is 3600 mm tall, which is shortest?",
  "options": {
    "A": "Tree A",
    "B": "Tree B",
    "C": "Tree C",
    "D": "Tree A and Tree B"
  },
  "correct_answer": "D"
}
, {"id": 85, "difficulty": "hard", "question": "Which is tallest: 0.2 km, 2000 dm, or 20000 cm?", "options": {"A": "0.2 km", "B": "2000 dm", "C": "20000 cm", "D": "All same"}, "correct_answer": "D"},
    {"id": 86, "difficulty": "hard", "question": "If Pole 1 is 450 cm, Pole 2 is 4.5 m, and Pole 3 is 45 dm, which is same height as Pole 1?", "options": {"A": "Pole 2", "B": "Pole 3", "C": "Both", "D": "Neither"}, "correct_answer": "C"},
    {"id": 87, "difficulty": "hard", "question": "Compare: 1.2 m + 80 cm __ 2 m.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "B"},
    {"id": 88, "difficulty": "hard", "question": "Which is shortest: 0.05 km, 50 m, 5000 cm, or 50000 mm?", "options": {"A": "0.05 km", "B": "50 m", "C": "5000 cm", "D": "All same"}, "correct_answer": "D"},
    {"id": 89, "difficulty": "hard", "question": "If Tower A is 0.3 km, Tower B is 300 m, Tower C is 3000 dm, and Tower D is 30000 cm, which is different?", "options": {"A": "Tower A", "B": "Tower B", "C": "Tower C", "D": "All same"}, "correct_answer": "D"},
    {"id": 90, "difficulty": "hard", "question": "Compare: 3 m 25 cm + 75 cm __ 4 m.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 91, "difficulty": "hard", "question": "Which is tallest: 0.4 km, 4000 dm, 40000 cm, or 400000 mm?", "options": {"A": "0.4 km", "B": "4000 dm", "C": "40000 cm", "D": "All same"}, "correct_answer": "D"},
    {"id": 92, "difficulty": "hard", "question": "If a child is 1.2 m tall, grows 30 cm, how tall in meters?", "options": {"A": "1.3 m", "B": "1.5 m", "C": "1.8 m", "D": "2.0 m"}, "correct_answer": "B"},
    {"id": 93, "difficulty": "hard", "question": "Compare: 0.6 km + 400 m __ 1 km.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 94, "difficulty": "hard", "question": "Which is shortest: 0.08 km, 80 m, 8000 cm, or 80000 mm?", "options": {"A": "0.08 km", "B": "80 m", "C": "8000 cm", "D": "All same"}, "correct_answer": "D"},
   {
  "id": 95,
  "difficulty": "hard",
  "question": "If Ladder A is 2.5 m, Ladder B is 250 cm, Ladder C is 2500 mm, and Ladder D is 25 dm, what is true?",
  "options": {
    "A": "Only A is different",
    "B": "Only B is different",
    "C": "Only C is different",
    "D": "All are same height"
  },
  "correct_answer": "D"
}
, {"id": 96, "difficulty": "hard", "question": "Compare: 1.8 m + 120 cm __ 3 m.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 97, "difficulty": "hard", "question": "Which is tallest: 0.7 km, 700 m, 70000 cm, or 7000 dm?", "options": {"A": "0.7 km", "B": "700 m", "C": "70000 cm", "D": "All same"}, "correct_answer": "D"},
    {"id": 98, "difficulty": "hard", "question": "If a plant is 0.9 m tall, grows 10 cm, then another 20 cm, total height in cm?", "options": {"A": "100 cm", "B": "110 cm", "C": "120 cm", "D": "130 cm"}, "correct_answer": "C"},
    {"id": 99, "difficulty": "hard", "question": "Compare: 0.9 km + 100 m __ 1 km.", "options": {"A": ">", "B": "<", "C": "=", "D": "+"}, "correct_answer": "C"},
    {"id": 100, "difficulty": "hard", "question": "Which is shortest: 0.15 km, 150 m, 15000 cm, or 150000 mm?", "options": {"A": "0.15 km", "B": "150 m", "C": "15000 cm", "D": "All same"}, "correct_answer": "D"}
  ]
}