{
  "title": "Algebraic Addition & Subtraction - Grade 7 ICSE",
  "total_questions": 60,
  "questions": [
    {
      "id": 1,
      "difficulty": "easy",
      "question": "Simplify: ✏️ m + 3m",
      "options": { "A": "2m", "B": "4m", "C": "3m²", "D": "4" },
      "correct_answer": "B"
    },
    {
      "id": 2,
      "difficulty": "easy",
      "question": "What is 5y - 2y? 🎈",
      "options": { "A": "7y", "B": "3y²", "C": "3y", "D": "2y" },
      "correct_answer": "C"
    },
    {
      "id": 3,
      "difficulty": "easy",
      "question": "Add: 4p + p = ? 🍭",
      "options": { "A": "4", "B": "5p²", "C": "5p", "D": "4p²" },
      "correct_answer": "C"
    },
    {
      "id": 4,
      "difficulty": "easy",
      "question": "Subtract: 8k - 5k = ? 🎯",
      "options": { "A": "13k", "B": "3", "C": "3k", "D": "3k²" },
      "correct_answer": "C"
    },
    {
      "id": 5,
      "difficulty": "easy",
      "question": "If x = 1, what is 7x + 2x? 🍎",
      "options": { "A": "7", "B": "9", "C": "10", "D": "8" },
      "correct_answer": "B"
    },
    {
      "id": 6,
      "difficulty": "easy",
      "question": "Simplify: 10a - 4a = ? 🚀",
      "options": { "A": "14a", "B": "5a", "C": "6", "D": "6a" },
      "correct_answer": "D"
    },
    {
      "id": 7,
      "difficulty": "easy",
      "question": "What is 2b + 3b + b? 🧩",
      "options": { "A": "5b", "B": "6b", "C": "6", "D": "6b²" },
      "correct_answer": "B"
    },
    {
      "id": 8,
      "difficulty": "easy",
      "question": "Subtract: 9n - 7n = ? 🎨",
      "options": { "A": "16n", "B": "2n", "C": "2", "D": "2n²" },
      "correct_answer": "B"
    },
    {
      "id": 9,
      "difficulty": "easy",
      "question": "Add: 0.5c + 0.5c = ? 🍦",
      "options": {
        "A": "0.5c",
        "B": "c",
        "C": "2c",
        "D": "0.25c"
      },
      "correct_answer": "B"
    },
    {
      "id": 10,
      "difficulty": "easy",
      "question": "Simplify: 12d - 12d = ? 🎭",
      "options": { "A": "24d", "B": "d", "C": "0", "D": "1" },
      "correct_answer": "C"
    },
    {
      "id": 11,
      "difficulty": "easy",
      "question": "What is 6q + q? 🦋",
      "options": { "A": "6", "B": "7q", "C": "5q", "D": "6q²" },
      "correct_answer": "B"
    },
    {
      "id": 12,
      "difficulty": "easy",
      "question": "Subtract: 15r - 8r = ? 🏀",
      "options": { "A": "23r", "B": "7r", "C": "7", "D": "8r" },
      "correct_answer": "B"
    },
    {
      "id": 13,
      "difficulty": "easy",
      "question": "Add: 3t + 2t + 4t = ? 🍪",
      "options": { "A": "7t", "B": "8t", "C": "9t", "D": "10t" },
      "correct_answer": "C"
    },
    {
      "id": 14,
      "difficulty": "easy",
      "question": "If y=2, find 5y - 3y = ? 🧸",
      "options": { "A": "2", "B": "4", "C": "1", "D": "3" },
      "correct_answer": "B"
    },
    {
      "id": 15,
      "difficulty": "easy",
      "question": "Simplify: 1.2f + 0.8f = ? 🍩",
      "options": {
        "A": "2f",
        "B": "1.8f",
        "C": "0.4f",
        "D": "2.8f"
      },
      "correct_answer": "A"
    },
    {
      "id": 16,
      "difficulty": "easy",
      "question": "Subtract: 20g - 11g = ? 🪁",
      "options": { "A": "9", "B": "8g", "C": "9g", "D": "31g" },
      "correct_answer": "C"
    },
    {
      "id": 17,
      "difficulty": "easy",
      "question": "Add: h + h + h = ? 🐛",
      "options": { "A": "h³", "B": "2h", "C": "3", "D": "3h" },
      "correct_answer": "D"
    },
    {
      "id": 18,
      "difficulty": "easy",
      "question": "What is 4j - j? 🌼",
      "options": { "A": "3", "B": "3j", "C": "4j", "D": "5j" },
      "correct_answer": "B"
    },
    {
      "id": 19,
      "difficulty": "easy",
      "question": "Simplify: 8 + 3x - 2x = ? 🎠",
      "options": { "A": "8 + x", "B": "11x", "C": "8 + 5x", "D": "9x" },
      "correct_answer": "A"
    },
    {
      "id": 20,
      "difficulty": "easy",
      "question": "Subtract: 100z - 99z = ? 🥇",
      "options": {
        "A": "1",
        "B": "z",
        "C": "100z",
        "D": "99z"
      },
      "correct_answer": "B"
    },
    {
      "id": 21,
      "difficulty": "medium",
      "question": "Simplify: 7m + 3n - 2m + n = ? 🦉",
      "options": {
        "A": "5m + 4n",
        "B": "10mn",
        "C": "9m + 2n",
        "D": "5m - 4n"
      },
      "correct_answer": "A"
    },
    {
      "id": 22,
      "difficulty": "medium",
      "question": "What is (5a - 2b) + (3a + 4b)? 🌈",
      "options": {
        "A": "8a + 2b",
        "B": "2a + 6b",
        "C": "8a - 2b",
        "D": "2a + 2b"
      },
      "correct_answer": "A"
    },
    {
      "id": 23,
      "difficulty": "medium",
      "question": "Subtract: (9x + 1) - (4x + 1) = ? 🧮",
      "options": { "A": "5x", "B": "13x + 2", "C": "5x + 2", "D": "5" },
      "correct_answer": "A"
    },
    {
      "id": 24,
      "difficulty": "medium",
      "question": "Simplify: 12p - 3q - 5p + 7q = ? 🚴",
      "options": {
        "A": "7p + 4q",
        "B": "17p - 10q",
        "C": "7p - 4q",
        "D": "7p + 10q"
      },
      "correct_answer": "A"
    },
    {
      "id": 25,
      "difficulty": "medium",
      "question": "Add: (1.5y + 2) + (0.5y - 1) = ? 🍉",
      "options": { "A": "2y + 1", "B": "2y - 1", "C": "y + 1", "D": "2y² + 1" },
      "correct_answer": "A"
    },
    {
      "id": 26,
      "difficulty": "medium",
      "question": "Subtract: 15 - (3k + 4) = ? 🏓",
      "options": {
        "A": "19 - 3k",
        "B": "11 - 3k",
        "C": "11 + 3k",
        "D": "12 - 3k"
      },
      "correct_answer": "B"
    },
    {
      "id": 27,
      "difficulty": "medium",
      "question": "Simplify: 8d + 2e - d - 3e = ? 🎸",
      "options": {
        "A": "7d - e",
        "B": "9d - e",
        "C": "7d + 5e",
        "D": "9d + 5e"
      },
      "correct_answer": "A"
    },
    {
      "id": 28,
      "difficulty": "medium",
      "question": "What is (10 - 2f) + (3f - 7)? 🧭",
      "options": { "A": "3 + f", "B": "17 - 5f", "C": "3 - f", "D": "3 + 5f" },
      "correct_answer": "A"
    },
    {
      "id": 29,
      "difficulty": "medium",
      "question": "Subtract: (6.2g + 1.8) - (2.2g + 0.8) = ? 🥨",
      "options": {
        "A": "4g + 1",
        "B": "8.4g + 2.6",
        "C": "4g² + 1",
        "D": "4g - 1"
      },
      "correct_answer": "A"
    },
    {
      "id": 30,
      "difficulty": "medium",
      "question": "Simplify: 4h - 9 + 2h + 15 = ? 🎪",
      "options": {
        "A": "6h + 6",
        "B": "2h + 6",
        "C": "6h - 6",
        "D": "6h + 24"
      },
      "correct_answer": "A"
    },
    {
      "id": 31,
      "difficulty": "medium",
      "question": "Add: (1/2 j + 3) + (1/2 j - 1) = ? 🍕",
      "options": { "A": "j + 2", "B": "j - 2", "C": "2j + 2", "D": "1j + 4" },
      "correct_answer": "A"
    },
    {
      "id": 32,
      "difficulty": "medium",
      "question": "Subtract: (5m² + 2m) - (2m² + m) = ? ⚽",
      "options": {
        "A": "3m² + m",
        "B": "7m² + m",
        "C": "3m² + 3m",
        "D": "3m²"
      },
      "correct_answer": "A"
    },
    {
      "id": 33,
      "difficulty": "medium",
      "question": "Simplify: 0.3x + 0.7y - 0.1x + 0.3y = ? 🍯",
      "options": {
        "A": "0.2x + y",
        "B": "0.4x + y",
        "C": "0.2x + 0.4y",
        "D": "0.4x + 0.4y"
      },
      "correct_answer": "A"
    },
    {
      "id": 34,
      "difficulty": "medium",
      "question": "What is 20 - (8n - 5) + 2n? 🪐",
      "options": {
        "A": "25 - 6n",
        "B": "15 + 10n",
        "C": "25 - 10n",
        "D": "15 - 6n"
      },
      "correct_answer": "A"
    },
    {
      "id": 35,
      "difficulty": "medium",
      "question": "Simplify: 5(p+1) + 3(p-1) = ? 🎁",
      "options": { "A": "8p + 2", "B": "8p - 2", "C": "8p + 8", "D": "2p + 2" },
      "correct_answer": "A"
    },
    {
      "id": 36,
      "difficulty": "medium",
      "question": "Subtract: (9/10 q + 2) - (4/10 q + 1) = ? 🍬",
      "options": {
        "A": "1/2 q + 1",
        "B": "5/10 q + 3",
        "C": "13/10 q + 1",
        "D": "q + 1"
      },
      "correct_answer": "A"
    },
    {
      "id": 37,
      "difficulty": "medium",
      "question": "Simplify: 12r - 4s + 3r + 9s = ? 🎷",
      "options": {
        "A": "15r + 5s",
        "B": "9r + 5s",
        "C": "15r - 5s",
        "D": "9r + 13s"
      },
      "correct_answer": "A"
    },
    {
      "id": 38,
      "difficulty": "medium",
      "question": "What is (0 + 7t) - (5t - 6)? 🛸",
      "options": {
        "A": "2t + 6",
        "B": "2t - 6",
        "C": "12t - 6",
        "D": "-2t + 6"
      },
      "correct_answer": "A"
    },
    {
      "id": 39,
      "difficulty": "medium",
      "question": "Simplify: 8 - 3u + 10 + u = ? 🥁",
      "options": {
        "A": "18 - 2u",
        "B": "2 - 2u",
        "C": "18 + 2u",
        "D": "18 - 4u"
      },
      "correct_answer": "A"
    },
    {
      "id": 40,
      "difficulty": "medium",
      "question": "Subtract: (4.5v + 2.5) - (1.5v + 0.5) = ? 🍍",
      "options": {
        "A": "3v + 2",
        "B": "6v + 3",
        "C": "3v² + 2",
        "D": "3v + 3"
      },
      "correct_answer": "A"
    },
    {
      "id": 41,
      "difficulty": "hard",
      "question": "Simplify: 5(2x - 3) - 3(x + 4) = ? 🧩🔥",
      "options": {
        "A": "7x - 27",
        "B": "7x + 3",
        "C": "7x - 3",
        "D": "7x + 27"
      },
      "correct_answer": "A"
    },
    {
      "id": 42,
      "difficulty": "hard",
      "question": "What is (a² + 3a - 5) + (2a² - 4a + 6)? 🚀🌟",
      "options": {
        "A": "3a² - a + 1",
        "B": "3a² + 7a + 1",
        "C": "a² - a + 1",
        "D": "3a² - 7a + 11"
      },
      "correct_answer": "A"
    },
    {
      "id": 43,
      "difficulty": "hard",
      "question": "Subtract: (7b² - 2b + 1) - (3b² + 5b - 4) = ? 🏆🎯",
      "options": {
        "A": "4b² - 7b + 5",
        "B": "4b² + 3b - 3",
        "C": "10b² - 7b + 5",
        "D": "4b² - 7b - 3"
      },
      "correct_answer": "A"
    },
    {
      "id": 44,
      "difficulty": "hard",
      "question": "Simplify: 0.5(4c - 10) + 2(c + 0.25) = ? 🧠💡",
      "options": {
        "A": "4c - 4.5",
        "B": "4c + 4.5",
        "C": "2c - 4.5",
        "D": "4c - 5"
      },
      "correct_answer": "A"
    },
    {
      "id": 45,
      "difficulty": "hard",
      "question": "If P=3d-1 and Q= -2d+5, find P + Q = ? 🧸📐",
      "options": { "A": "d + 4", "B": "5d + 4", "C": "d - 4", "D": "-5d + 4" },
      "correct_answer": "A"
    },
    {
      "id": 46,
      "difficulty": "hard",
      "question": "Simplify: (5/4 e - 2/3) + (3/4 e + 1/3) = ? 🍕🤔",
      "options": {
        "A": "2e - 1/3",
        "B": "2e + 1/3",
        "C": "2e",
        "D": "e - 1/3"
      },
      "correct_answer": "A"
    },
    {
      "id": 47,
      "difficulty": "hard",
      "question": "Subtract: (1.2f² + 0.8f - 3) - (0.7f² - 0.2f + 1) = ? 🏦📊",
      "options": {
        "A": "0.5f² + 1.0f - 4",
        "B": "0.5f² + 0.6f - 2",
        "C": "1.9f² + 0.6f - 2",
        "D": "0.5f² - 0.6f - 4"
      },
      "correct_answer": "A"
    },
    {
      "id": 48,
      "difficulty": "hard",
      "question": "What is 3(g - 4h) - 2(2g + h)? 🎨🎭",
      "options": {
        "A": "-g - 14h",
        "B": "-g + 10h",
        "C": "g - 14h",
        "D": "7g - 14h"
      },
      "correct_answer": "A"
    },
    {
      "id": 49,
      "difficulty": "hard",
      "question": "Simplify: 1/2(6i + 8) - 1/3(9i - 6) = ? 🍦🔢",
      "options": {
        "A": "2",
        "B": "6",
        "C": "2i",
        "D": "2i + 6"
      },
      "correct_answer": "B"
    },
    {
      "id": 50,
      "difficulty": "hard",
      "question": "If A = 4j-2k and B= -j+5k, find A - B = ? 🪁🧵",
      "options": {
        "A": "5j - 7k",
        "B": "3j + 3k",
        "C": "5j + 7k",
        "D": "3j - 7k"
      },
      "correct_answer": "A"
    },
    {
      "id": 51,
      "difficulty": "hard",
      "question": "Simplify: (x² + xy - y²) + (2x² - 3xy + 4y²) = ? 🌌✨",
      "options": {
        "A": "3x² - 2xy + 3y²",
        "B": "3x² + 4xy + 3y²",
        "C": "x² - 2xy + 3y²",
        "D": "3x² - 2xy + 5y²"
      },
      "correct_answer": "A"
    },
    {
      "id": 52,
      "difficulty": "hard",
      "question": "Subtract: (0.3m² - 1.2) - (-0.2m² + 0.5) = ? 🚴‍♂️📉",
      "options": {
        "A": "0.5m² - 1.7",
        "B": "0.1m² - 1.7",
        "C": "0.5m² - 0.7",
        "D": "0.1m² + 1.7"
      },
      "correct_answer": "A"
    },
    {
      "id": 53,
      "difficulty": "hard",
      "question": "Simplify: 4(n + 0.5) - 2(1.5n - 1) = ? 🍯🎲",
      "options": { "A": "n + 4", "B": "n + 2", "C": "-n + 4", "D": "4n + 2" },
      "correct_answer": "A"
    },
    {
      "id": 54,
      "difficulty": "hard",
      "question": "Add: (p/2 + q/3) + (p/2 - q/3) = ? 🧮🧩",
      "options": { "A": "p", "B": "p + 2q/3", "C": "p/4", "D": "2p" },
      "correct_answer": "A"
    },
    {
      "id": 55,
      "difficulty": "hard",
      "question": "What is 2.5(2r - 4) - (5r + 3)? 🥨🔑",
      "options": {
        "A": "-13",
        "B": "5r - 13",
        "C": "-10r - 13",
        "D": "13"
      },
      "correct_answer": "A"
    },
    {
      "id": 56,
      "difficulty": "hard",
      "question": "Simplify: (s² - st) - (2s² + 3st - t²) = ? 🎸🎶",
      "options": {
        "A": "-s² - 4st + t²",
        "B": "-s² + 2st + t²",
        "C": "s² - 4st + t²",
        "D": "-s² - 2st - t²"
      },
      "correct_answer": "A"
    },
    {
      "id": 57,
      "difficulty": "hard",
      "question": "If X=7-2t and Y=3t-10, find X - Y = ? 🍉⚖️",
      "options": {
        "A": "17 - 5t",
        "B": "-3 - 5t",
        "C": "17 + t",
        "D": "-3 + t"
      },
      "correct_answer": "A"
    },
    {
      "id": 58,
      "difficulty": "hard",
      "question": "Simplify: 1/5(10u + 15) + 2/5(5u - 10) = ? 🍍🏁",
      "options": { "A": "4u - 1", "B": "4u + 1", "C": "6u - 1", "D": "4u + 7" },
      "correct_answer": "A"
    },
    {
      "id": 59,
      "difficulty": "hard",
      "question": "Subtract: (3/4 v - 1/2) - (1/4 v + 1/8) = ? 🪐🧠",
      "options": {
        "A": "1/2 v - 5/8",
        "B": "v - 5/8",
        "C": "1/2 v + 3/8",
        "D": "v + 5/8"
      },
      "correct_answer": "A"
    },
    {
      "id": 60,
      "difficulty": "hard",
      "question": "Simplify: 0.2w² - 0.5w + 0.1 - (0.1w² + 0.3w - 0.4) = ? 🏀🎭",
      "options": {
        "A": "0.1w² - 0.8w + 0.5",
        "B": "0.1w² - 0.2w - 0.3",
        "C": "0.3w² - 0.8w + 0.5",
        "D": "0.1w² + 0.2w + 0.5"
      },
      "correct_answer": "A"
    }
  ]
}