{
  "title": "Organising Data - Grade 4 CBSE",
  "total_questions": 60,
  "questions": [
    {
      "id": 1,
      "difficulty": "easy",
      "question": "Why do we collect data before organising it?",
      "options": {"A": "To know what information we have", "B": "To draw cartoons", "C": "To decorate the page", "D": "To write a story"},
      "correct_answer": "A"
    },
    {
      "id": 2,
      "difficulty": "easy",
      "question": "Which tool helps count items quickly?",
      "options": {"A": "Color pencil", "B": "Tally marks", "C": "Eraser", "D": "Sharpener"},
      "correct_answer": "B"
    },
    {
      "id": 3,
      "difficulty": "easy",
      "question": "What is the purpose of organising data?",
      "options": {"A": "To make it look messy", "B": "To confuse people", "C": "To understand information clearly", "D": "To waste time"},
      "correct_answer": "C"
    },
    {
      "id": 4,
      "difficulty": "easy",
      "question": "Which method clearly shows how many items are in each group?",
      "options": {"A": "Long paragraph", "B": "Random list", "C": "Drawing pictures", "D": "Frequency table"},
      "correct_answer": "D"
    },
    {
      "id": 5,
      "difficulty": "easy",
      "question": "What should a data table always have?",
      "options": {"A": "A heading or title", "B": "Stickers", "C": "Doodles", "D": "Blank space"},
      "correct_answer": "A"
    },
    {
      "id": 6,
      "difficulty": "easy",
      "question": "Tally marks are grouped in sets of:",
      "options": {"A": "Four", "B": "Six", "C": "Seven", "D": "Five"},
      "correct_answer": "B"
    },
    {
      "id": 7,
      "difficulty": "easy",
      "question": "Which item can be organised using a table?",
      "options": {"A": "Classroom attendance", "B": "Stories", "C": "Drawings", "D": "Jokes"},
      "correct_answer": "C"
    },
    {
      "id": 8,
      "difficulty": "easy",
      "question": "Which is NOT a good way to organise data?",
      "options": {"A": "Neat table", "B": "Bar graph", "C": "Sorted list", "D": "Random words"},
      "correct_answer": "D"
    },
    {
      "id": 9,
      "difficulty": "easy",
      "question": "After collecting data, what do we do next?",
      "options": {"A": "Forget it", "B": "Organise into groups", "C": "Draw animals", "D": "Write songs"},
      "correct_answer": "A"
    },
    {
      "id": 10,
      "difficulty": "easy",
      "question": "Why do we use categories?",
      "options": {"A": "To group similar items", "B": "To make it colorful", "C": "To hide mistakes", "D": "To write essays"},
      "correct_answer": "B"
    },
    {
      "id": 11,
      "difficulty": "easy",
      "question": "Which item is usually shown in the first column of a data table?",
      "options": {"A": "Pictures", "B": "Dates", "C": "Categories", "D": "Jokes"},
      "correct_answer": "C"
    },
    {
      "id": 12,
      "difficulty": "easy",
      "question": "Which is used to compare quantities easily?",
      "options": {"A": "Poem", "B": "Tally chart", "C": "Song", "D": "Sketch"},
      "correct_answer": "D"
    },
    {
      "id": 13,
      "difficulty": "easy",
      "question": "Why should data be neat?",
      "options": {"A": "Looks fancy", "B": "Easy to understand", "C": "Uses more paper", "D": "Fills space"},
      "correct_answer": "A"
    },
    {
      "id": 14,
      "difficulty": "easy",
      "question": "Which tool helps summarise collected data?",
      "options": {"A": "Crayons", "B": "Books", "C": "Frequency table", "D": "Water bottle"},
      "correct_answer": "B"
    },
    {
      "id": 15,
      "difficulty": "easy",
      "question": "Organised data helps us find:",
      "options": {"A": "Funny jokes", "B": "Hidden patterns", "C": "Random names", "D": "Stories"},
      "correct_answer": "C"
    },
    {
      "id": 16,
      "difficulty": "easy",
      "question": "Tally marks help with:",
      "options": {"A": "Coloring", "B": "Counting quickly", "C": "Writing stories", "D": "Singing"},
      "correct_answer": "D"
    },
    {
      "id": 17,
      "difficulty": "easy",
      "question": "A table is useful because it shows:",
      "options": {"A": "Songs", "B": "Clear information", "C": "Cartoons", "D": "Games"},
      "correct_answer": "A"
    },
    {
      "id": 18,
      "difficulty": "easy",
      "question": "What should we check after organising data?",
      "options": {"A": "If paper looks neat", "B": "If counts are correct", "C": "If colors match", "D": "If we used glitter"},
      "correct_answer": "B"
    },
    {
      "id": 19,
      "difficulty": "easy",
      "question": "Which is an organised representation?",
      "options": {"A": "Messy notes", "B": "Neat table", "C": "Random scribbles", "D": "Lines everywhere"},
      "correct_answer": "C"
    },
    {
      "id": 20,
      "difficulty": "easy",
      "question": "Why do we use headings in tables?",
      "options": {"A": "To confuse readers", "B": "To make tables tall", "C": "To waste space", "D": "To explain what each column means"},
      "correct_answer": "D"
    },


    {
      "id": 21,
      "difficulty": "medium",
      "question": "Data: Red-10, Blue-5, Green-8. Which colour is most popular?",
      "options": {"A": "Red", "B": "Green", "C": "Blue", "D": "Yellow"},
      "correct_answer": "A"
    },
    {
      "id": 22,
      "difficulty": "medium",
      "question": "Which method best compares groups?",
      "options": {"A": "Story writing", "B": "Bar graph", "C": "Drawing pictures", "D": "Poems"},
      "correct_answer": "B"
    },
    {
      "id": 23,
      "difficulty": "medium",
      "question": "Organise the data: Cat, Dog, Cat, Fish, Dog, Dog",
      "options": {"A": "Cat-2, Dog-3, Fish-1", "B": "Cat-3, Dog-2, Fish-1", "C": "Cat-2, Dog-2, Fish-2", "D": "Cat-1, Dog-4, Fish-1"},
      "correct_answer": "C"
    },
    {
      "id": 24,
      "difficulty": "medium",
      "question": "What is the best way to show favourite fruits in a class?",
      "options": {"A": "Paragraph", "B": "Bar graph", "C": "Drawing fruits", "D": "Song"},
      "correct_answer": "D"
    },
    {
      "id": 25,
      "difficulty": "medium",
      "question": "Why do we sort data from highest to lowest?",
      "options": {"A": "To see trends easily", "B": "To waste time", "C": "To confuse others", "D": "To remove data"},
      "correct_answer": "A"
    },
    {
      "id": 26,
      "difficulty": "medium",
      "question": "Organise this: Mango, Apple, Mango, Banana, Apple",
      "options": {"A": "Mango-2, Apple-2, Banana-1", "B": "Mango-3, Apple-1, Banana-1", "C": "Mango-1, Apple-3, Banana-1", "D": "Mango-2, Apple-1, Banana-2"},
      "correct_answer": "B"
    },
    {
      "id": 27,
      "difficulty": "medium",
      "question": "Which tool shows how many times an item appears?",
      "options": {"A": "Notebook", "B": "Tally chart", "C": "Paintbrush", "D": "Crayon box"},
      "correct_answer": "C"
    },
    {
      "id": 28,
      "difficulty": "medium",
      "question": "Why should we double-check data?",
      "options": {"A": "To ensure accuracy", "B": "To make it longer", "C": "To impress friends", "D": "To use more paper"},
      "correct_answer": "D"
    },
    {
      "id": 29,
      "difficulty": "medium",
      "question": "Organise the seasons: Summer, Winter, Summer, Rainy, Summer",
      "options": {"A": "Summer-3, Winter-1, Rainy-1", "B": "Summer-2, Winter-2, Rainy-1", "C": "Summer-3, Winter-2, Rainy-0", "D": "Summer-4, Winter-1, Rainy-0"},
      "correct_answer": "A"
    },
    {
      "id": 30,
      "difficulty": "medium",
      "question": "Which representation shows parts of a whole?",
      "options": {"A": "Pie chart", "B": "Storybook", "C": "Comic strip", "D": "Poem"},
      "correct_answer": "B"
    },
    {
      "id": 31,
      "difficulty": "medium",
      "question": "What should we include in every table?",
      "options": {"A": "Random facts", "B": "Clear labels", "C": "Cartoon drawings", "D": "Flowers"},
      "correct_answer": "C"
    },
    {
      "id": 32,
      "difficulty": "medium",
      "question": "Data: Cricket-6, Football-4, Chess-2. Which is least popular?",
      "options": {"A": "Cricket", "B": "Football", "C": "Chess", "D": "None"},
      "correct_answer": "D"
    },
    {
      "id": 33,
      "difficulty": "medium",
      "question": "Organise this: Juice, Milk, Juice, Water, Milk",
      "options": {"A": "Juice-2, Milk-2, Water-1", "B": "Juice-3, Milk-1, Water-1", "C": "Juice-1, Milk-3, Water-1", "D": "Juice-2, Milk-1, Water-2"},
      "correct_answer": "A"
    },
    {
      "id": 34,
      "difficulty": "medium",
      "question": "Why is consistency important in categories?",
      "options": {"A": "Makes comparison easy", "B": "Looks colorful", "C": "Adds more words", "D": "Shows creativity"},
      "correct_answer": "B"
    },
    {
      "id": 35,
      "difficulty": "medium",
      "question": "Which table is BEST for school attendance?",
      "options": {"A": "Fruit table", "B": "Cartoon schedule", "C": "Attendance table", "D": "Weather forecast"},
      "correct_answer": "C"
    },
    {
      "id": 36,
      "difficulty": "medium",
      "question": "Which is a benefit of organised data?",
      "options": {"A": "Makes reading faster", "B": "Makes pages prettier", "C": "Uses more ink", "D": "Reduces space"},
      "correct_answer": "D"
    },
    {
      "id": 37,
      "difficulty": "medium",
      "question": "Organise this: Red, Blue, Red, Green",
      "options": {"A": "Red-2, Blue-1, Green-1", "B": "Red-3, Blue-1, Green-1", "C": "Red-2, Blue-2, Green-0", "D": "Red-1, Blue-2, Green-1"},
      "correct_answer": "A"
    },
    {
      "id": 38,
      "difficulty": "medium",
      "question": "Which chart helps compare data quickly?",
      "options": {"A": "Bar graph", "B": "Song lyrics", "C": "Paragraph", "D": "Drawing"},
      "correct_answer": "B"
    },
    {
      "id": 39,
      "difficulty": "medium",
      "question": "Why should headings be clear?",
      "options": {"A": "To avoid confusion", "B": "To make table bigger", "C": "To add decoration", "D": "To use space"},
      "correct_answer": "C"
    },
    {
      "id": 40,
      "difficulty": "medium",
      "question": "Organise the data: Cat-4, Dog-3, Fish-2. Which is most?",
      "options": {"A": "Cat", "B": "Dog", "C": "Fish", "D": "None"},
      "correct_answer": "D"
    },


    {
      "id": 41,
      "difficulty": "hard",
      "question": "Data: A-14, B-10, C-8. What percent is A (approx)?",
      "options": {"A": "45%", "B": "40%", "C": "35%", "D": "30%"},
      "correct_answer": "A"
    },
    {
      "id": 42,
      "difficulty": "hard",
      "question": "If 30 out of 120 prefer apples, what fraction is this?",
      "options": {"A": "1/3", "B": "1/4", "C": "1/5", "D": "1/6"},
      "correct_answer": "B"
    },
    {
      "id": 43,
      "difficulty": "hard",
      "question": "Data: Boys-45, Girls-55. What percent are girls?",
      "options": {"A": "45%", "B": "50%", "C": "55%", "D": "60%"},
      "correct_answer": "C"
    },
    {
      "id": 44,
      "difficulty": "hard",
      "question": "If a table shows: Mango-20, Apple-15, Orange-25, total is:",
      "options": {"A": "55", "B": "60", "C": "50", "D": "45"},
      "correct_answer": "D"
    },
    {
      "id": 45,
      "difficulty": "hard",
      "question": "You collected data for 7 days. Total rainy days: 2. Percentage?",
      "options": {"A": "25%", "B": "28%", "C": "30%", "D": "32%"},
      "correct_answer": "A"
    },
    {
      "id": 46,
      "difficulty": "hard",
      "question": "What is the median of: 4, 7, 9, 10, 15?",
      "options": {"A": "7", "B": "9", "C": "10", "D": "8"},
      "correct_answer": "B"
    },
    {
      "id": 47,
      "difficulty": "hard",
      "question": "Which value occurs most often: 5, 7, 7, 8, 9?",
      "options": {"A": "7", "B": "8", "C": "5", "D": "9"},
      "correct_answer": "C"
    },
    {
      "id": 48,
      "difficulty": "hard",
      "question": "Mode of: 3, 3, 3, 5, 6, 7?",
      "options": {"A": "3", "B": "5", "C": "6", "D": "7"},
      "correct_answer": "D"
    },
    {
      "id": 49,
      "difficulty": "hard",
      "question": "Range of: 10, 15, 25, 30?",
      "options": {"A": "15", "B": "20", "C": "25", "D": "30"},
      "correct_answer": "A"
    },
    {
      "id": 50,
      "difficulty": "hard",
      "question": "Survey: Dogs-18, Cats-12, Birds-10. Least popular?",
      "options": {"A": "Cats", "B": "Dogs", "C": "Birds", "D": "None"},
      "correct_answer": "B"
    },
    {
      "id": 51,
      "difficulty": "hard",
      "question": "Total items: 200. Category A is 40%. Count =?",
      "options": {"A": "60", "B": "70", "C": "80", "D": "90"},
      "correct_answer": "C"
    },
    {
      "id": 52,
      "difficulty": "hard",
      "question": "Data: 8, 12, 20. Average =?",
      "options": {"A": "12", "B": "13", "C": "14", "D": "15"},
      "correct_answer": "D"
    },
    {
      "id": 53,
      "difficulty": "hard",
      "question": "Data: Red-24, Blue-16, Yellow-20. Which is smallest?",
      "options": {"A": "Red", "B": "Blue", "C": "Yellow", "D": "All equal"},
      "correct_answer": "A"
    },
    {
      "id": 54,
      "difficulty": "hard",
      "question": "Which value is the median: 12, 14, 18, 20, 22?",
      "options": {"A": "14", "B": "18", "C": "20", "D": "22"},
      "correct_answer": "B"
    },
    {
      "id": 55,
      "difficulty": "hard",
      "question": "If 15 out of 60 choose sports, percent =?",
      "options": {"A": "20%", "B": "25%", "C": "30%", "D": "35%"},
      "correct_answer": "C"
    },
    {
      "id": 56,
      "difficulty": "hard",
      "question": "Data: 5, 10, 15, 20. Range =?",
      "options": {"A": "10", "B": "15", "C": "20", "D": "25"},
      "correct_answer": "D"
    },
    {
      "id": 57,
      "difficulty": "hard",
      "question": "Survey: Tea-28, Coffee-32. Which is more?",
      "options": {"A": "Tea", "B": "Coffee", "C": "Both equal", "D": "None"},
      "correct_answer": "A"
    },
    {
      "id": 58,
      "difficulty": "hard",
      "question": "What percent is 12 out of 50?",
      "options": {"A": "20%", "B": "22%", "C": "24%", "D": "25%"},
      "correct_answer": "B"
    },
    {
      "id": 59,
      "difficulty": "hard",
      "question": "Median of 5, 9, 11, 13, 17?",
      "options": {"A": "9", "B": "11", "C": "13", "D": "17"},
      "correct_answer": "C"
    },
    {
      "id": 60,
      "difficulty": "hard",
      "question": "If 18 of 90 like apples, what percent is this?",
      "options": {"A": "15%", "B": "18%", "C": "20%", "D": "25%"},
      "correct_answer": "D"
    }
  ]
}