{
  "title": "Circle Graphs/Pie Charts (Data Handling) - Grade 8 ICSE",
  "total_questions": 60,
  "questions": [
    {
      "id": 1,
      "difficulty": "easy",
      "question": "🍰 A pie chart shows favorite desserts. 1/4 of students like cake. What is this angle in degrees?",
      "options": { "A": "60°", "B": "90°", "C": "45°", "D": "120°" },
      "correct_answer": "B"
    },
    {
      "id": 2,
      "difficulty": "easy",
      "question": "📊 In a pie chart of 30 students' favorite colors, 12 chose blue. What is the blue section's angle?",
      "options": { "A": "144°", "B": "120°", "C": "100°", "D": "90°" },
      "correct_answer": "A"
    },
    {
      "id": 3,
      "difficulty": "easy",
      "question": "🔄 A full circle measures ___ degrees.",
      "options": { "A": "180", "B": "90", "C": "270", "D": "360" },
      "correct_answer": "D"
    },
    {
      "id": 4,
      "difficulty": "easy",
      "question": "🎂 A pie chart shows 50% prefer ice cream. What is the ice cream angle?",
      "options": { "A": "90°", "B": "180°", "C": "120°", "D": "60°" },
      "correct_answer": "B"
    },
    {
      "id": 5,
      "difficulty": "easy",
      "question": "📈 If a pie chart section is 90°, what fraction of the whole is it?",
      "options": {
        "A": "1/2",
        "B": "1/3",
        "C": "1/4",
        "D": "1/6"
      },
      "correct_answer": "A"
    },
    {
      "id": 6,
      "difficulty": "easy",
      "question": "🎨 10 out of 40 students like red. What is the red section angle?",
      "options": { "A": "45°", "B": "90°", "C": "60°", "D": "30°" },
      "correct_answer": "B"
    },
    {
      "id": 7,
      "difficulty": "easy",
      "question": "🥧 A pie chart section is 60°. What percentage is this? (approx.)",
      "options": {
        "A": "16.67%",
        "B": "20%",
        "C": "25%",
        "D": "33.33%"
      },
      "correct_answer": "A"
    },
    {
      "id": 8,
      "difficulty": "easy",
      "question": "📉 A survey of 24 people: 6 like football. Football's pie chart angle?",
      "options": {
        "A": "90°",
        "B": "60°",
        "C": "45°",
        "D": "30°"
      },
      "correct_answer": "A"
    },
    {
      "id": 9,
      "difficulty": "easy",
      "question": "🧩 A pie chart has a 120° section. What fraction is it?",
      "options": {
        "A": "1/3",
        "B": "1/2",
        "C": "1/4",
        "D": "2/3"
      },
      "correct_answer": "A"
    },
    {
      "id": 10,
      "difficulty": "easy",
      "question": "👕 In a class of 20, 5 wear glasses. Glasses section angle?",
      "options": {
        "A": "90°",
        "B": "72°",
        "C": "60°",
        "D": "45°"
      },
      "correct_answer": "A"
    },
    {
      "id": 11,
      "difficulty": "easy",
      "question": "🍕 A pizza 🍕 pie chart! 1/8 of the class wants olives. What's the olive angle?",
      "options": {
        "A": "45°",
        "B": "30°",
        "C": "60°",
        "D": "90°"
      },
      "correct_answer": "A"
    },
    {
      "id": 12,
      "difficulty": "easy",
      "question": "📚 25% of students read comics. Comics pie chart angle?",
      "options": { "A": "60°", "B": "90°", "C": "100°", "D": "120°" },
      "correct_answer": "B"
    },
    {
      "id": 13,
      "difficulty": "easy",
      "question": "🎵 18 out of 72 students play guitar. Guitar angle?",
      "options": { "A": "60°", "B": "75°", "C": "90°", "D": "120°" },
      "correct_answer": "C"
    },
    {
      "id": 14,
      "difficulty": "easy",
      "question": "🌞 A pie chart section is 30°. What percentage? (approx.)",
      "options": {
        "A": "8.33%",
        "B": "10%",
        "C": "12.5%",
        "D": "15%"
      },
      "correct_answer": "A"
    },
    {
      "id": 15,
      "difficulty": "easy",
      "question": "🚌 15 out of 60 students take the bus. Bus angle?",
      "options": {
        "A": "90°",
        "B": "75°",
        "C": "60°",
        "D": "120°"
      },
      "correct_answer": "A"
    },
    {
      "id": 16,
      "difficulty": "easy",
      "question": "🎯 A section is 1/6 of a pie chart. Its angle?",
      "options": { "A": "30°", "B": "45°", "C": "60°", "D": "90°" },
      "correct_answer": "C"
    },
    {
      "id": 17,
      "difficulty": "easy",
      "question": "🐱 20% of students have cats. Cat section angle?",
      "options": {
        "A": "72°",
        "B": "54°",
        "C": "90°",
        "D": "36°"
      },
      "correct_answer": "A"
    },
    {
      "id": 18,
      "difficulty": "easy",
      "question": "🏀 A 45° section in a sports pie chart. What fraction?",
      "options": {
        "A": "1/8",
        "B": "1/6",
        "C": "1/10",
        "D": "1/12"
      },
      "correct_answer": "A"
    },
    {
      "id": 19,
      "difficulty": "easy",
      "question": "📱 9 out of 36 students use Brand X phones. Brand X angle?",
      "options": {
        "A": "90°",
        "B": "75°",
        "C": "60°",
        "D": "120°"
      },
      "correct_answer": "A"
    },
    {
      "id": 20,
      "difficulty": "easy",
      "question": "🍦 150° section for ice cream. What percentage? (approx.)",
      "options": { "A": "33.33%", "B": "41.67%", "C": "50%", "D": "66.67%" },
      "correct_answer": "B"
    },
    {
      "id": 21,
      "difficulty": "medium",
      "question": "📖 A pie chart shows book genres: Fiction 90°, Non-Fiction 108°, Mystery 72°, Comics ?. Find Comics angle.",
      "options": {
        "A": "90°",
        "B": "80°",
        "C": "60°",
        "D": "100°"
      },
      "correct_answer": "A"
    },
    {
      "id": 22,
      "difficulty": "medium",
      "question": "🎪 A circus surveyed 80 kids. Clown act: 30 kids, Acrobats: 25, Magician: 15, Animal show: ?. Animal show angle?",
      "options": {
        "A": "45°",
        "B": "60°",
        "C": "30°",
        "D": "90°"
      },
      "correct_answer": "A"
    },
    {
      "id": 23,
      "difficulty": "medium",
      "question": "🍎 A fruit preference pie chart: Apple 30%, Banana 25%, Orange 20%, Grape ?%. Grape section angle?",
      "options": { "A": "54°", "B": "72°", "C": "90°", "D": "108°" },
      "correct_answer": "C"
    },
    {
      "id": 24,
      "difficulty": "medium",
      "question": "🏫 A school club chart: Math 60°, Science 90°, Art 72°, Drama ?°. Total students 120. How many in Drama?",
      "options": {
        "A": "24",
        "B": "18",
        "C": "30",
        "D": "16"
      },
      "correct_answer": "A"
    },
    {
      "id": 25,
      "difficulty": "medium",
      "question": "🚗 Transport pie chart: Car 108°, Bike 72°, Walk 90°, Bus ?°. If 40 students walk, total students?",
      "options": { "A": 120, "B": 140, "C": 160, "D": 180 },
      "correct_answer": "C"
    },
    {
      "id": 26,
      "difficulty": "medium",
      "question": "🍩 A bakery sold 200 items. Donuts 30%, Cookies 25%, Muffins 20%, Cupcakes ?%. Cupcake angle?",
      "options": { "A": "72°", "B": "80°", "C": "90°", "D": "100°" },
      "correct_answer": "C"
    },
    {
      "id": 27,
      "difficulty": "medium",
      "question": "🎬 Movie genre pie chart angles: Action 90°, Comedy 120°, Horror 60°, Romance ?°. Find Romance percentage.",
      "options": { "A": "20%", "B": "25%", "C": "30%", "D": "35%" },
      "correct_answer": "B"
    },
    {
      "id": 28,
      "difficulty": "medium",
      "question": "🌍 A travel survey: 150 people. Beach 54°, Mountains 90°, City 108°, Desert ?°. How many chose Desert?",
      "options": {
        "A": "18",
        "B": "24",
        "C": "30",
        "D": "36"
      },
      "correct_answer": "A"
    },

    {
      "id": 29,
      "difficulty": "medium",
      "question": "🎮 Game console pie chart: PlayStation 40%, Xbox 30%, Nintendo 20%, PC ?%. PC section angle?",
      "options": { "A": "18°", "B": "30°", "C": "36°", "D": "45°" },
      "correct_answer": "C"
    },
    {
      "id": 30,
      "difficulty": "medium",
      "question": "🧪 Science marks: 60 students. Section A: 90°, B: 120°, C: 60°, D: ?°. How many students in Section D?",
      "options": { "A": 12, "B": 15, "C": 18, "D": 20 },
      "correct_answer": "B"
    },
    {
      "id": 31,
      "difficulty": "medium",
      "question": "📺 TV show chart: Total viewers 240. Show X 30%, Show Y 25%, Show Z 20%, Show W ?%. Show W angle?",
      "options": { "A": "54°", "B": "72°", "C": "80°", "D": "90°" },
      "correct_answer": "D"
    },
    {
      "id": 32,
      "difficulty": "medium",
      "question": "🍫 Chocolate type pie chart: Milk 108°, Dark 90°, White 54°, Caramel ?°. If Milk has 36 students, total?",
      "options": { "A": 100, "B": 110, "C": 120, "D": 130 },
      "correct_answer": "C"
    },
    {
      "id": 33,
      "difficulty": "medium",
      "question": "🎨 Art supplies sold: Pencils 40%, Markers 30%, Paint 20%, Clay ?%. Clay angle?",
      "options": { "A": "18°", "B": "30°", "C": "36°", "D": "45°" },
      "correct_answer": "C"
    },
    {
      "id": 34,
      "difficulty": "medium",
      "question": "📱 App usage pie chart: Social 120°, Games 90°, Music 72°, Education ?°. If Education has 48 min, total minutes?",
      "options": { "A": 180, "B": 200, "C": 240, "D": 300 },
      "correct_answer": "C"
    },
    {
      "id": 35,
      "difficulty": "medium",
      "question": "🏈 Sports club: Football 80 members, Cricket 60, Basketball 40, Tennis ?. Total 300 members. Tennis angle?",
      "options": { "A": "108°", "B": "120°", "C": "144°", "D": "150°" },
      "correct_answer": "C"
    },
    {
      "id": 36,
      "difficulty": "medium",
      "question": "🍦 Ice cream flavors: 180 customers. Vanilla 30%, Chocolate 35%, Strawberry 20%, Mint ?%. Mint angle?",
      "options": { "A": "36°", "B": "45°", "C": "54°", "D": "60°" },
      "correct_answer": "C"
    },
    {
      "id": 37,
      "difficulty": "medium",
      "question": "📚 Library books: Fiction 40%, Non-Fiction 30%, Sci-Fi 20%, Biography ?%. Biography angle?",
      "options": { "A": "18°", "B": "30°", "C": "36°", "D": "45°" },
      "correct_answer": "C"
    },
    {
      "id": 38,
      "difficulty": "medium",
      "question": "🚲 Transport to school: 200 students. Walk 45°, Cycle 72°, Car 108°, Bus ?°. Bus students?",
      "options": { "A": 60, "B": 65, "C": 70, "D": 75 },
      "correct_answer": "D"
    },
    {
      "id": 39,
      "difficulty": "medium",
      "question": "🎵 Music instruments: Guitar 50 students, Piano 40, Drums 30, Violin ?. Total 180. Violin angle?",
      "options": { "A": "48°", "B": "60°", "C": "72°", "D": "90°" },
      "correct_answer": "C"
    },
    {
      "id": 40,
      "difficulty": "medium",
      "question": "🌤️ Weather in 60 days: Sunny 30%, Rainy 40%, Cloudy 20%, Snowy ?%. Snowy angle?",
      "options": { "A": "18°", "B": "30°", "C": "36°", "D": "45°" },
      "correct_answer": "C"
    },
    {
      "id": 41,
      "difficulty": "hard",
      "question": "📊 A pie chart's total value is 720. One section is 90°. Its value is?",
      "options": {
        "A": "180",
        "B": "150",
        "C": "120",
        "D": "200"
      },
      "correct_answer": "A"
    },
    {
      "id": 42,
      "difficulty": "hard",
      "question": "🏪 A shop's daily sales pie chart: Toys ₹6000 (90°), Books ? (60°), Clothes ? (120°), Electronics ? (90°). Total sales?",
      "options": {
        "A": "₹20,000",
        "B": "₹22,000",
        "C": "₹24,000",
        "D": "₹26,000"
      },
      "correct_answer": "C"
    },
    {
      "id": 43,
      "difficulty": "hard",
      "question": "📈 Two sections in a pie chart are 5:4 ratio. Their angles differ by 20°. Smaller angle?",
      "options": { "A": "60°", "B": "80°", "C": "100°", "D": "120°" },
      "correct_answer": "B"
    },
    {
      "id": 44,
      "difficulty": "hard",
      "question": "🎯 A survey pie chart: If section A is 72° and represents 24 people, and section B is 108°, how many people in B?",
      "options": { "A": 30, "B": 32, "C": 36, "D": 40 },
      "correct_answer": "C"
    },
    {
      "id": 45,
      "difficulty": "hard",
      "question": "📉 The difference between two pie chart angles is 36°. Their values are 48 and 72. Total sum of all values?",
      "options": { "A": 300, "B": 400, "C": 500, "D": 600 },
      "correct_answer": "D"
    },
    {
      "id": 46,
      "difficulty": "hard",
      "question": "📚 In a test score pie chart, 60° section = 12 students. Another section is 150°. How many students in that section?",
      "options": { "A": 25, "B": 28, "C": 30, "D": 32 },
      "correct_answer": "C"
    },
    {
      "id": 47,
      "difficulty": "hard",
      "question": "🍕 A pizza toppings pie chart: Cheese 40%, Pepperoni 30%, Mushroom 20%, Onion ?%. Onion angle is 36°. Total customers?",
      "options": {
        "A": "250",
        "B": "200",
        "C": "240",
        "D": "220"
      },
      "correct_answer": "A"
    },
    {
      "id": 48,
      "difficulty": "hard",
      "question": "📱 Phone brand pie chart: Brand A 40%, B 30%, C 20%, D ?%. If Brand D's angle is 54°, total surveyed?",
      "options": { "A": 300, "B": 350, "C": 400, "D": 450 },
      "correct_answer": "C"
    },

    {
      "id": 49,
      "difficulty": "hard",
      "question": "🎨 An art competition pie chart: 1st 90° (15 students), 2nd 120°, 3rd 80°, Participation ?°. Total participants?",
      "options": {
        "A": "60",
        "B": "65",
        "C": "70",
        "D": "75"
      },
      "correct_answer": "A"
    },
    {
      "id": 50,
      "difficulty": "hard",
      "question": "🚗 Car colors sold: Red 20%, Blue 25%, White 30%, Black ?%. Black angle is 90°. Total cars?",
      "options": {
        "A": "100",
        "B": "80",
        "C": "90",
        "D": "110"
      },
      "correct_answer": "A"
    },
    {
      "id": 51,
      "difficulty": "hard",
      "question": "📊 A data set total is 540. Two sections have angles 80° and 100°. Their actual values difference?",
      "options": {
        "A": "30",
        "B": "20",
        "C": "40",
        "D": "50"
      },
      "correct_answer": "A"
    },
    {
      "id": 52,
      "difficulty": "hard",
      "question": "🍦 Ice cream sales: Flavor X 30% (angle 108°), Y 25%, Z 20%, W ?%. If total sales are ₹4000, sales of W?",
      "options": { "A": "₹600", "B": "₹800", "C": "₹1000", "D": "₹1200" },
      "correct_answer": "C"
    },
    {
      "id": 53,
      "difficulty": "hard",
      "question": "📖 Library pie chart: Section A 40 books (60°), Section B ? (90°), Section C ? (120°), Section D ? (90°). Total books?",
      "options": {
        "A": "240",
        "B": "200",
        "C": "220",
        "D": "260"
      },
      "correct_answer": "A"
    },
    {
      "id": 54,
      "difficulty": "hard",
      "question": "🎬 Movie ticket sales: Screen 1 ₹8000 (80°), Screen 2 ₹12000 (120°), Screen 3 ? (100°), Screen 4 ? (60°). Total sales?",
      "options": {
        "A": "₹42,000",
        "B": "₹45,000",
        "C": "₹48,000",
        "D": "₹50,000"
      },
      "correct_answer": "B"
    },
    {
      "id": 55,
      "difficulty": "hard",
      "question": "📈 A company's department budget pie chart: HR 10% (36°), IT 20%, Sales 30%, Marketing ?%. Marketing's angle?",
      "options": { "A": "108°", "B": "120°", "C": "144°", "D": "150°" },
      "correct_answer": "C"
    },
    {
      "id": 56,
      "difficulty": "hard",
      "question": "🍎 Fruit basket: Apples 12 (72°), Oranges 10 (60°), Bananas ? (80°), Grapes ? (100°). Total fruits?",
      "options": {
        "A": "50",
        "B": "40",
        "C": "45",
        "D": "55"
      },
      "correct_answer": "A"
    },
    {
      "id": 57,
      "difficulty": "hard",
      "question": "🏫 School house points: Red 150 (90°), Blue 120 (72°), Green ? (108°), Yellow ? (90°). Total points?",
      "options": {
        "A": "700",
        "B": "600",
        "C": "650",
        "D": "750"
      },
      "correct_answer": "A"
    },
    {
      "id": 58,
      "difficulty": "hard",
      "question": "📱 Social media time: App A 90 min (90°), App B 60 min (60°), App C ? (120°), App D ? (90°). Total minutes?",
      "options": {
        "A": "400",
        "B": "360",
        "C": "380",
        "D": "420"
      },
      "correct_answer": "A"
    },
    {
      "id": 59,
      "difficulty": "hard",
      "question": "🎯 In a pie chart, three sections are in ratio 3:4:5. The largest section's angle?",
      "options": { "A": "120°", "B": "135°", "C": "150°", "D": "160°" },
      "correct_answer": "C"
    },
    {
      "id": 60,
      "difficulty": "hard",
      "question": "📊 A pie chart's total value is 900. If a 40° section is increased to 60°, its new value?",
      "options": { "A": 120, "B": 135, "C": 150, "D": 165 },
      "correct_answer": "C"
    }
  ]
}