{
  "title": "Like and Unlike Terms - Grade 6 ICSE",
  "total_questions": 60,
  "questions": [
    {
      "id": 1,
      "difficulty": "easy",
      "question": "Which are like terms? 🍎",
      "options": {
        "A": "3x and 5x",
        "B": "2x and 3y",
        "C": "4 and x",
        "D": "x² and x"
      },
      "correct_answer": "A"
    },
    {
      "id": 2,
      "difficulty": "easy",
      "question": "Which are unlike terms? 🐤",
      "options": {
        "A": "5y and 2y",
        "B": "3x and 7x",
        "C": "4a and 6b",
        "D": "8m and m"
      },
      "correct_answer": "C"
    },
    {
      "id": 3,
      "difficulty": "easy",
      "question": "Like terms with 4x? ✏️",
      "options": { "A": "3y", "B": "5", "C": "7x", "D": "x²" },
      "correct_answer": "C"
    },
    {
      "id": 4,
      "difficulty": "easy",
      "question": "Unlike terms with 2a? 📏",
      "options": { "A": "5a", "B": "a", "C": "3b", "D": "7a" },
      "correct_answer": "C"
    },
    {
      "id": 5,
      "difficulty": "easy",
      "question": "Which pair are like terms? 🎈",
      "options": {
        "A": "3x and 4y",
        "B": "5 and 7",
        "C": "2m and n",
        "D": "p² and p"
      },
      "correct_answer": "B"
    },
    {
      "id": 6,
      "difficulty": "easy",
      "question": "Which are unlike? 🔑",
      "options": {
        "A": "8k and 2k",
        "B": "3x and 5x",
        "C": "4y and y",
        "D": "6a and 2b"
      },
      "correct_answer": "D"
    },
    {
      "id": 7,
      "difficulty": "easy",
      "question": "Like terms with 7y? ➕",
      "options": { "A": "3y", "B": "5x", "C": "2", "D": "y²" },
      "correct_answer": "A"
    },
    {
      "id": 8,
      "difficulty": "easy",
      "question": "Unlike terms with 9p? 🚀",
      "options": { "A": "2p", "B": "p", "C": "4q", "D": "8p" },
      "correct_answer": "C"
    },
    {
      "id": 9,
      "difficulty": "easy",
      "question": "Which pair can be combined? 📚",
      "options": {
        "A": "3x + 4y",
        "B": "5a + 2b",
        "C": "7m + 3m",
        "D": "6p + 2"
      },
      "correct_answer": "C"
    },
    {
      "id": 10,
      "difficulty": "easy",
      "question": "Which cannot be combined? 🍪",
      "options": {
        "A": "2x + 5x",
        "B": "3y + 4y",
        "C": "6a + 2b",
        "D": "8 + 3"
      },
      "correct_answer": "C"
    },
    {
      "id": 11,
      "difficulty": "easy",
      "question": "Like terms: 3x² and? 🦆",
      "options": { "A": "5x", "B": "2x²", "C": "4", "D": "3y²" },
      "correct_answer": "B"
    },
    {
      "id": 12,
      "difficulty": "easy",
      "question": "Unlike terms: 4ab and? 🐘",
      "options": { "A": "2ab", "B": "7ba", "C": "3a", "D": "5ab" },
      "correct_answer": "C"
    },
    {
      "id": 13,
      "difficulty": "easy",
      "question": "Can 5x and 3 be combined? 🐠",
      "options": { "A": "Yes", "B": "No", "C": "Sometimes", "D": "Maybe" },
      "correct_answer": "B"
    },
    {
      "id": 14,
      "difficulty": "easy",
      "question": "Can 2y and 7y be combined? 🎁",
      "options": { "A": "Yes", "B": "No", "C": "Only if same", "D": "Never" },
      "correct_answer": "A"
    },
    {
      "id": 15,
      "difficulty": "easy",
      "question": "Like terms: 8 and? 🏠",
      "options": { "A": "x", "B": "3", "C": "y", "D": "z²" },
      "correct_answer": "B"
    },
    {
      "id": 16,
      "difficulty": "easy",
      "question": "Unlike terms: 3mn and? 🃏",
      "options": { "A": "5mn", "B": "2nm", "C": "4m", "D": "7mn" },
      "correct_answer": "C"
    },
    {
      "id": 17,
      "difficulty": "easy",
      "question": "Which are like? 👑",
      "options": {
        "A": "2x, 3y, 4z",
        "B": "5, 6, 7",
        "C": "a, b, c",
        "D": "p², q², r²"
      },
      "correct_answer": "B"
    },
    {
      "id": 18,
      "difficulty": "easy",
      "question": "Which are unlike? 🐇",
      "options": {
        "A": "4x, 5x, 6x",
        "B": "2a, 3b, 4c",
        "C": "7, 8, 9",
        "D": "m, 2m, 3m"
      },
      "correct_answer": "B"
    },
    {
      "id": 19,
      "difficulty": "easy",
      "question": "Like with 2xy? 🌟",
      "options": { "A": "3yx", "B": "4x", "C": "5y", "D": "2x²y" },
      "correct_answer": "A"
    },
    {
      "id": 20,
      "difficulty": "easy",
      "question": "Unlike with 5z? 🎯",
      "options": { "A": "2z", "B": "z", "C": "3w", "D": "8z" },
      "correct_answer": "C"
    },

    {
      "id": 21,
      "difficulty": "medium",
      "question": "Group like terms: 3x + 4y + 2x + 5 🧩",
      "options": {
        "A": "5x + 4y + 5",
        "B": "7x + 4y",
        "C": "3x + 2x + 9",
        "D": "9xy + 5"
      },
      "correct_answer": "A"
    },
    {
      "id": 22,
      "difficulty": "medium",
      "question": "Group like terms: 5a + 3b + 2a + 4 🌈",
      "options": {
        "A": "7a + 3b + 4",
        "B": "5a + 2a + 7",
        "C": "8ab + 4",
        "D": "3b + 7a"
      },
      "correct_answer": "A"
    },
    {
      "id": 23,
      "difficulty": "medium",
      "question": "Separate like/unlike: 2x, 3y, 5x, 4z 🎨",
      "options": {
        "A": "Like: 2x,5x; Unlike: 3y,4z",
        "B": "All like",
        "C": "All unlike",
        "D": "Like: 3y,4z; Unlike: 2x,5x"
      },
      "correct_answer": "A"
    },
    {
      "id": 24,
      "difficulty": "medium",
      "question": "Simplify by combining: 4m + 3n + 2m - n 🚗",
      "options": {
        "A": "6m + 2n",
        "B": "7m + 2n",
        "C": "6m + 4n",
        "D": "5m + 2n"
      },
      "correct_answer": "A"
    },
    {
      "id": 25,
      "difficulty": "medium",
      "question": "Combine like terms: 3x² + 2x + 4x² - x 🍦",
      "options": {
        "A": "7x² + x",
        "B": "5x² + x",
        "C": "7x² + 3x",
        "D": "5x² + 3x"
      },
      "correct_answer": "A"
    },
    {
      "id": 26,
      "difficulty": "medium",
      "question": "Group: 2p + 3q + 5p + 4 + q 🎪",
      "options": {
        "A": "7p + 4q + 4",
        "B": "5p + 4q + 4",
        "C": "7p + 3q + 4",
        "D": "2p + 8q + 4"
      },
      "correct_answer": "A"
    },
    {
      "id": 27,
      "difficulty": "medium",
      "question": "Separate: 3a, 4b, 5a, 6c, 2b 🧮",
      "options": {
        "A": "a: 3a,5a; b: 4b,2b; c: 6c",
        "B": "All same",
        "C": "All different",
        "D": "Mix all"
      },
      "correct_answer": "A"
    },
    {
      "id": 28,
      "difficulty": "medium",
      "question": "Simplify: 4xy + 3x + 2xy - x 🏀",
      "options": {
        "A": "6xy + 2x",
        "B": "7xy + 2x",
        "C": "6xy + 4x",
        "D": "5xy + 2x"
      },
      "correct_answer": "A"
    },
    {
      "id": 29,
      "difficulty": "medium",
      "question": "Combine: 5 + 2x + 3 + 4x 🎭",
      "options": { "A": "6x + 8", "B": "8x + 8", "C": "6x + 5", "D": "8x + 5" },
      "correct_answer": "A"
    },
    {
      "id": 30,
      "difficulty": "medium",
      "question": "Group: 3m² + 2m + 5m² + 4 🎡",
      "options": {
        "A": "8m² + 2m + 4",
        "B": "5m² + 2m + 4",
        "C": "8m² + 6m + 4",
        "D": "3m² + 7m + 4"
      },
      "correct_answer": "A"
    },
    {
      "id": 31,
      "difficulty": "medium",
      "question": "Separate like: 2x, 3xy, 4x, 5y, 6xy 📊",
      "options": {
        "A": "x: 2x,4x; xy: 3xy,6xy; y: 5y",
        "B": "All xy",
        "C": "All x",
        "D": "No groups"
      },
      "correct_answer": "A"
    },
    {
      "id": 32,
      "difficulty": "medium",
      "question": "Simplify: 7a + 3b - 2a + 4b 🚴",
      "options": {
        "A": "5a + 7b",
        "B": "6a + 7b",
        "C": "5a + 6b",
        "D": "6a + 6b"
      },
      "correct_answer": "A"
    },
    {
      "id": 33,
      "difficulty": "medium",
      "question": "Combine: 4p² + 3p + 2p² - p + 5 🎲",
      "options": {
        "A": "6p² + 2p + 5",
        "B": "5p² + 2p + 5",
        "C": "6p² + 4p + 5",
        "D": "5p² + 4p + 5"
      },
      "correct_answer": "A"
    },
    {
      "id": 34,
      "difficulty": "medium",
      "question": "Group: 2x + 3y + 4 + 5x + 2 + y 🪀",
      "options": {
        "A": "7x + 4y + 6",
        "B": "5x + 4y + 6",
        "C": "7x + 3y + 6",
        "D": "5x + 3y + 6"
      },
      "correct_answer": "A"
    },
    {
      "id": 35,
      "difficulty": "medium",
      "question": "Separate: ab, 2a, 3b, 4ab, 5a 🏓",
      "options": {
        "A": "ab: ab,4ab; a: 2a,5a; b: 3b",
        "B": "All ab",
        "C": "All a",
        "D": "No pattern"
      },
      "correct_answer": "A"
    },
    {
      "id": 36,
      "difficulty": "medium",
      "question": "Simplify: 6mn + 2m + 3mn - m + 4 🎳",
      "options": {
        "A": "9mn + m + 4",
        "B": "8mn + m + 4",
        "C": "9mn + 3m + 4",
        "D": "8mn + 3m + 4"
      },
      "correct_answer": "A"
    },
    {
      "id": 37,
      "difficulty": "medium",
      "question": "Combine: 3x + 4y + 5 + 2x + 3y + 2 🍭",
      "options": {
        "A": "5x + 7y + 7",
        "B": "6x + 7y + 7",
        "C": "5x + 6y + 7",
        "D": "6x + 6y + 7"
      },
      "correct_answer": "A"
    },
    {
      "id": 38,
      "difficulty": "medium",
      "question": "Group: a² + 2a + 3a² + 4 + 5a 🎠",
      "options": {
        "A": "4a² + 7a + 4",
        "B": "3a² + 7a + 4",
        "C": "4a² + 2a + 4",
        "D": "3a² + 2a + 4"
      },
      "correct_answer": "A"
    },
    {
      "id": 39,
      "difficulty": "medium",
      "question": "Separate: 2pq, 3p, 4q, 5pq, 6p 🎀",
      "options": {
        "A": "pq: 2pq,5pq; p: 3p,6p; q: 4q",
        "B": "All p",
        "C": "All pq",
        "D": "Random"
      },
      "correct_answer": "A"
    },
    {
      "id": 40,
      "difficulty": "medium",
      "question": "Simplify: 8x² + 3x - 2x² + 4x + 1 🪁",
      "options": {
        "A": "6x² + 7x + 1",
        "B": "7x² + 7x + 1",
        "C": "6x² + 6x + 1",
        "D": "7x² + 6x + 1"
      },
      "correct_answer": "A"
    },

    {
      "id": 41,
      "difficulty": "hard",
      "question": "Simplify: 3x(x+2) + 2x(x-1) - 4x² 🧠",
      "options": {
        "A": "x² + 4x",
        "B": "x² + 5x",
        "C": "2x² + 4x",
        "D": "2x² + 5x"
      },
      "correct_answer": "A"
    },
    {
      "id": 42,
      "difficulty": "hard",
      "question": "Combine: 2(3x+4) + 3(2x-1) - 4x 🏆",
      "options": { "A": "8x + 5", "B": "9x + 5", "C": "8x + 6", "D": "9x + 6" },
      "correct_answer": "A"
    },
    {
      "id": 43,
      "difficulty": "hard",
      "question": "Group and simplify: 3xy + 2x + 4yx + 3y + 5x - 2y 🌟",
      "options": {
        "A": "7xy + 7x + y",
        "B": "8xy + 7x + y",
        "C": "7xy + 6x + y",
        "D": "8xy + 6x + y"
      },
      "correct_answer": "A"
    },
    {
      "id": 44,
      "difficulty": "hard",
      "question": "Simplify: 4a²b + 3ab² + 2a²b - ab² + 5ab 🎯",
      "options": {
        "A": "6a²b + 2ab² + 5ab",
        "B": "7a²b + 2ab² + 5ab",
        "C": "6a²b + 3ab² + 5ab",
        "D": "7a²b + 3ab² + 5ab"
      },
      "correct_answer": "A"
    },
    {
      "id": 45,
      "difficulty": "hard",
      "question": "Combine: 3(x²+2x) + 2(3x²-x) - 5x 🏅",
      "options": {
        "A": "9x² - x",
        "B": "10x² - x",
        "C": "9x² + x",
        "D": "10x² + x"
      },
      "correct_answer": "A"
    },
    {
      "id": 46,
      "difficulty": "hard",
      "question": "Simplify: 2mn + 3m²n + 4mn² - mn + 2m²n - 3mn² 🥇",
      "options": {
        "A": "mn + 5m²n + mn²",
        "B": "2mn + 5m²n + mn²",
        "C": "mn + 4m²n + mn²",
        "D": "2mn + 4m²n + mn²"
      },
      "correct_answer": "A"
    },
    {
      "id": 47,
      "difficulty": "hard",
      "question": "Group: 3x³ + 2x² + 4x + 5x³ - 3x² + 2x - 1 🏆",
      "options": {
        "A": "8x³ - x² + 6x - 1",
        "B": "9x³ - x² + 6x - 1",
        "C": "8x³ + x² + 6x - 1",
        "D": "9x³ + x² + 6x - 1"
      },
      "correct_answer": "A"
    },
    {
      "id": 48,
      "difficulty": "hard",
      "question": "Simplify: 4(2x+3y) + 3(x-2y) - 2(3x+y) 🎪",
      "options": {
        "A": "5x + 4y",
        "B": "6x + 4y",
        "C": "5x + 5y",
        "D": "6x + 5y"
      },
      "correct_answer": "A"
    },
    {
      "id": 49,
      "difficulty": "hard",
      "question": "Combine: a² + 2ab + b² + 3a² - ab + 2b² - 4ab 🧩",
      "options": {
        "A": "4a² - 3ab + 3b²",
        "B": "5a² - 3ab + 3b²",
        "C": "4a² - 2ab + 3b²",
        "D": "5a² - 2ab + 3b²"
      },
      "correct_answer": "A"
    },
    {
      "id": 50,
      "difficulty": "hard",
      "question": "Simplify: 3x²y + 2xy² + 4x²y - xy² + 5xy - 2xy 🎨",
      "options": {
        "A": "7x²y + xy² + 3xy",
        "B": "8x²y + xy² + 3xy",
        "C": "7x²y + 2xy² + 3xy",
        "D": "8x²y + 2xy² + 3xy"
      },
      "correct_answer": "A"
    },
    {
      "id": 51,
      "difficulty": "hard",
      "question": "Group: 2p³ + 3p²q + 4pq² + 5p³ - 2p²q + 3pq² - q³ 🚀",
      "options": {
        "A": "7p³ + p²q + 7pq² - q³",
        "B": "8p³ + p²q + 7pq² - q³",
        "C": "7p³ + 2p²q + 7pq² - q³",
        "D": "8p³ + 2p²q + 7pq² - q³"
      },
      "correct_answer": "A"
    },
    {
      "id": 52,
      "difficulty": "hard",
      "question": "Simplify: 5(x²+xy) + 3(2x²-y²) - 2(xy+3y²) 🌈",
      "options": {
        "A": "11x² + 3xy - 9y²",
        "B": "12x² + 3xy - 9y²",
        "C": "11x² + 4xy - 9y²",
        "D": "12x² + 4xy - 9y²"
      },
      "correct_answer": "A"
    },
    {
      "id": 53,
      "difficulty": "hard",
      "question": "Combine: 2m³ + 3m²n + 4mn² + 5m³ - 2m²n + 3n³ - mn² 🍦",
      "options": {
        "A": "7m³ + m²n + 3mn² + 3n³",
        "B": "8m³ + m²n + 3mn² + 3n³",
        "C": "7m³ + 2m²n + 3mn² + 3n³",
        "D": "8m³ + 2m²n + 3mn² + 3n³"
      },
      "correct_answer": "A"
    },
    {
      "id": 54,
      "difficulty": "hard",
      "question": "Simplify: 4ab(a+b) + 3a²b - 2ab² + 5ab(a-b) 🎡",
      "options": {
        "A": "9a²b + 2ab²",
        "B": "10a²b + 2ab²",
        "C": "9a²b + 3ab²",
        "D": "10a²b + 3ab²"
      },
      "correct_answer": "A"
    },
    {
      "id": 55,
      "difficulty": "hard",
      "question": "Group: x⁴ + 2x³ + 3x² + 4x + 5 + 2x⁴ - x³ + 2x² - 3x + 1 🎳",
      "options": {
        "A": "3x⁴ + x³ + 5x² + x + 6",
        "B": "4x⁴ + x³ + 5x² + x + 6",
        "C": "3x⁴ + 2x³ + 5x² + x + 6",
        "D": "4x⁴ + 2x³ + 5x² + x + 6"
      },
      "correct_answer": "A"
    },
    {
      "id": 56,
      "difficulty": "hard",
      "question": "Simplify: 3(2x²+3xy) + 2(4xy-y²) - 5(x²+xy) 🎠",
      "options": {
        "A": "x² + 12xy - 2y²",
        "B": "2x² + 12xy - 2y²",
        "C": "x² + 11xy - 2y²",
        "D": "2x² + 11xy - 2y²"
      },
      "correct_answer": "A"
    },
    {
      "id": 57,
      "difficulty": "hard",
      "question": "Combine: a³ + 2a²b + 3ab² + b³ + 3a³ - a²b + 2ab² - 2b³ 🪀",
      "options": {
        "A": "4a³ + a²b + 5ab² - b³",
        "B": "5a³ + a²b + 5ab² - b³",
        "C": "4a³ + 2a²b + 5ab² - b³",
        "D": "5a³ + 2a²b + 5ab² - b³"
      },
      "correct_answer": "A"
    },
    {
      "id": 58,
      "difficulty": "hard",
      "question": "Simplify: 2x(x²+3x-1) + 3x²(2x-1) - 4x³ 🏓",
      "options": {
        "A": "4x³ + 3x² - 2x",
        "B": "5x³ + 3x² - 2x",
        "C": "4x³ + 4x² - 2x",
        "D": "5x³ + 4x² - 2x"
      },
      "correct_answer": "A"
    },
    {
      "id": 59,
      "difficulty": "hard",
      "question": "Group: 3p²q + 2pq² + 4p³ + 5q³ + 2p²q - 3pq² + 3p³ - 2q³ 🎭",
      "options": {
        "A": "7p³ + 5p²q - pq² + 3q³",
        "B": "8p³ + 5p²q - pq² + 3q³",
        "C": "7p³ + 6p²q - pq² + 3q³",
        "D": "8p³ + 6p²q - pq² + 3q³"
      },
      "correct_answer": "A"
    },
    {
      "id": 60,
      "difficulty": "hard",
      "question": "Simplify: 4(3x²+2xy+y²) + 3(2x²-xy+3y²) - 5(x²+xy-y²) 🎲",
      "options": {
        "A": "13x² + 10y²",
        "B": "14x² + 10y²",
        "C": "13x² + 11y²",
        "D": "14x² + 11y²"
      },
      "correct_answer": "A"
    }
  ]
}