{
  "title": "Perimeter of Rectangles and Squares - Grade 4",
  "total_questions": 60,
  "questions": [
    {"id": 1, "difficulty": "easy", "question": "A square 🟩 has each side 4 cm. What is its perimeter?", "options": {"A": "16 cm", "B": "12 cm", "C": "8 cm", "D": "20 cm"}, "correct_answer": "A"},
    {"id": 2, "difficulty": "easy", "question": "A rectangle 📏 has length 6 cm and breadth 2 cm. What is its perimeter?", "options": {"A": "12 cm", "B": "16 cm", "C": "10 cm", "D": "20 cm"}, "correct_answer": "B"},
    {"id": 3, "difficulty": "easy", "question": "A square 🧩 has side 7 cm. What is the perimeter?", "options": {"A": "21 cm", "B": "14 cm", "C": "28 cm", "D": "25 cm"}, "correct_answer": "C"},
    {"id": 4, "difficulty": "easy", "question": "Length = 5 cm, Breadth = 3 cm. What is the perimeter of the rectangle? 📐", "options": {"A": "14 cm", "B": "18 cm", "C": "20 cm", "D": "16 cm"}, "correct_answer": "D"},
    {"id": 5, "difficulty": "easy", "question": "Side of a square 🎲 = 9 cm. Find perimeter.", "options": {"A": "36 cm", "B": "30 cm", "C": "32 cm", "D": "40 cm"}, "correct_answer": "A"},
    {"id": 6, "difficulty": "easy", "question": "Rectangle: L = 8 cm, B = 4 cm. Find perimeter. 📏", "options": {"A": "20 cm", "B": "24 cm", "C": "18 cm", "D": "26 cm"}, "correct_answer": "B"},
    {"id": 7, "difficulty": "easy", "question": "Square 🟩 with side 3 cm. What is its perimeter?", "options": {"A": "8 cm", "B": "10 cm", "C": "12 cm", "D": "6 cm"}, "correct_answer": "C"},
    {"id": 8, "difficulty": "easy", "question": "Rectangle L = 10 cm, B = 2 cm. Perimeter? 📐", "options": {"A": "22 cm", "B": "20 cm", "C": "18 cm", "D": "24 cm"}, "correct_answer": "D"},
    {"id": 9, "difficulty": "easy", "question": "Square 🧊 side = 6 cm. Perimeter?", "options": {"A": "24 cm", "B": "20 cm", "C": "22 cm", "D": "28 cm"}, "correct_answer": "A"},
    {"id": 10, "difficulty": "easy", "question": "Find perimeter of rectangle: L=7 cm, B=5 cm ✏️", "options": {"A": "28 cm", "B": "26 cm", "C": "22 cm", "D": "20 cm"}, "correct_answer": "B"},

    {"id": 11, "difficulty": "easy", "question": "Square 🎯 with 2 cm side. Perimeter?", "options": {"A": "6 cm", "B": "10 cm", "C": "8 cm", "D": "12 cm"}, "correct_answer": "C"},
    {"id": 12, "difficulty": "easy", "question": "Rectangle: L = 9 cm, B = 3 cm 🧮 Find perimeter.", "options": {"A": "18 cm", "B": "20 cm", "C": "24 cm", "D": "30 cm"}, "correct_answer": "D"},
    {"id": 13, "difficulty": "easy", "question": "Side of square = 1 cm 😄 Perimeter?", "options": {"A": "4 cm", "B": "3 cm", "C": "5 cm", "D": "6 cm"}, "correct_answer": "A"},
    {"id": 14, "difficulty": "easy", "question": "L=4 cm, B=1 cm 📏 Find rectangle perimeter.", "options": {"A": "6 cm", "B": "10 cm", "C": "12 cm", "D": "8 cm"}, "correct_answer": "B"},
    {"id": 15, "difficulty": "easy", "question": "Square side = 10 cm 🟦 Perimeter?", "options": {"A": "40 cm", "B": "20 cm", "C": "30 cm", "D": "50 cm"}, "correct_answer": "C"},
    {"id": 16, "difficulty": "easy", "question": "Rectangle: L = 12 cm, B = 4 cm. Perimeter? 📏", "options": {"A": "28 cm", "B": "30 cm", "C": "32 cm", "D": "26 cm"}, "correct_answer": "D"},
    {"id": 17, "difficulty": "easy", "question": "Square 🧩 side = 8 cm. Find perimeter.", "options": {"A": "24 cm", "B": "32 cm", "C": "28 cm", "D": "20 cm"}, "correct_answer": "A"},
    {"id": 18, "difficulty": "easy", "question": "L=11 cm, B=3 cm. Perimeter? 🧮", "options": {"A": "20 cm", "B": "22 cm", "C": "26 cm", "D": "28 cm"}, "correct_answer": "B"},
    {"id": 19, "difficulty": "easy", "question": "Square side = 5 cm 🎲 Perimeter?", "options": {"A": "15 cm", "B": "18 cm", "C": "20 cm", "D": "10 cm"}, "correct_answer": "C"},
    {"id": 20, "difficulty": "easy", "question": "Rectangle: L=14 cm, B=2 cm ✏️ Perimeter?", "options": {"A": "28 cm", "B": "24 cm", "C": "32 cm", "D": "30 cm"}, "correct_answer": "D"},

    {"id": 21, "difficulty": "medium", "question": "A square 🟥 has perimeter 20 cm. What is each side?", "options": {"A": "4 cm", "B": "5 cm", "C": "6 cm", "D": "3 cm"}, "correct_answer": "A"},
    {"id": 22, "difficulty": "medium", "question": "A rectangle has perimeter 30 cm. L=10 cm. Find breadth. 📏", "options": {"A": "4 cm", "B": "5 cm", "C": "6 cm", "D": "3 cm"}, "correct_answer": "B"},
    {"id": 23, "difficulty": "medium", "question": "If side of square is 12 cm, how much wire is needed to go around it? 🧵", "options": {"A": "30 cm", "B": "44 cm", "C": "48 cm", "D": "40 cm"}, "correct_answer": "C"},
    {"id": 24, "difficulty": "medium", "question": "A rectangle’s perimeter is 40 cm. B=6 cm. Find length. 📐", "options": {"A": "12 cm", "B": "14 cm", "C": "16 cm", "D": "10 cm"}, "correct_answer": "D"},
    {"id": 25, "difficulty": "medium", "question": "Square 🟩 playground side = 15 m. Perimeter?", "options": {"A": "60 m", "B": "40 m", "C": "50 m", "D": "45 m"}, "correct_answer": "A"},
    {"id": 26, "difficulty": "medium", "question": "Rectangle: L=18 cm, B=7 cm. Find perimeter. 📏", "options": {"A": "40 cm", "B": "44 cm", "C": "50 cm", "D": "48 cm"}, "correct_answer": "B"},
    {"id": 27, "difficulty": "medium", "question": "A square picture frame 🖼️ has side 9 cm. Perimeter?", "options": {"A": "28 cm", "B": "36 cm", "C": "40 cm", "D": "30 cm"}, "correct_answer": "C"},
    {"id": 28, "difficulty": "medium", "question": "A rectangle has L=20 cm, B=4 cm. Perimeter? 📐", "options": {"A": "40 cm", "B": "48 cm", "C": "50 cm", "D": "32 cm"}, "correct_answer": "D"},
    {"id": 29, "difficulty": "medium", "question": "Square side = 11 cm. How much border is needed around it? 🎨", "options": {"A": "30 cm", "B": "36 cm", "C": "44 cm", "D": "50 cm"}, "correct_answer": "A"},
    {"id": 30, "difficulty": "medium", "question": "Rectangle with perimeter 26 cm, B=4 cm. Find length. 📏", "options": {"A": "7 cm", "B": "9 cm", "C": "11 cm", "D": "6 cm"}, "correct_answer": "B"},

    {"id": 31, "difficulty": "medium", "question": "Square with perimeter 32 cm. Side? 🟫", "options": {"A": "6 cm", "B": "7 cm", "C": "8 cm", "D": "5 cm"}, "correct_answer": "C"},
    {"id": 32, "difficulty": "medium", "question": "Rectangle L=16 cm, B=5 cm. Find perimeter. 📏", "options": {"A": "30 cm", "B": "34 cm", "C": "38 cm", "D": "40 cm"}, "correct_answer": "D"},
    {"id": 33, "difficulty": "medium", "question": "Square garden 🌿 side=13 m. Perimeter?", "options": {"A": "48 m", "B": "52 m", "C": "56 m", "D": "60 m"}, "correct_answer": "A"},
    {"id": 34, "difficulty": "medium", "question": "Rectangle: Perimeter=50 cm, B=10 cm. Find length. 📐", "options": {"A": "14 cm", "B": "15 cm", "C": "20 cm", "D": "12 cm"}, "correct_answer": "B"},
    {"id": 35, "difficulty": "medium", "question": "Square 🟦 with side 20 cm. Perimeter?", "options": {"A": "100 cm", "B": "60 cm", "C": "80 cm", "D": "90 cm"}, "correct_answer": "C"},
    {"id": 36, "difficulty": "medium", "question": "L=22 cm, B=9 cm. Rectangle perimeter? 📏", "options": {"A": "40 cm", "B": "50 cm", "C": "62 cm", "D": "64 cm"}, "correct_answer": "D"},
    {"id": 37, "difficulty": "medium", "question": "Square side = 14 cm 🧩 Perimeter?", "options": {"A": "42 cm", "B": "46 cm", "C": "56 cm", "D": "60 cm"}, "correct_answer": "A"},
    {"id": 38, "difficulty": "medium", "question": "Rectangle: L=25 cm, B=12 cm. Find perimeter 📏", "options": {"A": "52 cm", "B": "60 cm", "C": "74 cm", "D": "80 cm"}, "correct_answer": "B"},
    {"id": 39, "difficulty": "medium", "question": "Square tile 🧱 side=16 cm. Perimeter?", "options": {"A": "50 cm", "B": "60 cm", "C": "64 cm", "D": "70 cm"}, "correct_answer": "C"},
    {"id": 40, "difficulty": "medium", "question": "Rectangle with L=30 cm, B=7 cm ✏️ Perimeter?", "options": {"A": "60 cm", "B": "70 cm", "C": "74 cm", "D": "64 cm"}, "correct_answer": "D"},

    {"id": 41, "difficulty": "hard", "question": "A square park 🏞️ is fenced using 84 m rope. What is side length?", "options": {"A": "18 m", "B": "20 m", "C": "21 m", "D": "22 m"}, "correct_answer": "A"},
    {"id": 42, "difficulty": "hard", "question": "A rectangle has perimeter 90 cm. L=30 cm. Find breadth. 📏", "options": {"A": "10 cm", "B": "15 cm", "C": "20 cm", "D": "12 cm"}, "correct_answer": "B"},
    {"id": 43, "difficulty": "hard", "question": "Square field 🌾 has side 25 m. Perimeter?", "options": {"A": "90 m", "B": "95 m", "C": "100 m", "D": "110 m"}, "correct_answer": "C"},
    {"id": 44, "difficulty": "hard", "question": "Rectangle L=28 cm, B=17 cm. Perimeter? 📐", "options": {"A": "80 cm", "B": "90 cm", "C": "72 cm", "D": "70 cm"}, "correct_answer": "D"},
    {"id": 45, "difficulty": "hard", "question": "Square 🟥 with perimeter 144 cm. Find side.", "options": {"A": "32 cm", "B": "36 cm", "C": "40 cm", "D": "30 cm"}, "correct_answer": "A"},
    {"id": 46, "difficulty": "hard", "question": "Rectangle perimeter = 120 cm. B=18 cm. Find length 📏", "options": {"A": "40 cm", "B": "42 cm", "C": "48 cm", "D": "30 cm"}, "correct_answer": "B"},
    {"id": 47, "difficulty": "hard", "question": "Square cloth piece 🧵 side 30 cm. Perimeter?", "options": {"A": "100 cm", "B": "110 cm", "C": "120 cm", "D": "90 cm"}, "correct_answer": "C"},
    {"id": 48, "difficulty": "hard", "question": "Rectangle: L=35 cm, B=14 cm. Find perimeter 📐", "options": {"A": "90 cm", "B": "96 cm", "C": "98 cm", "D": "88 cm"}, "correct_answer": "D"},
    {"id": 49, "difficulty": "hard", "question": "Square field 🟩 side=32 m. Find perimeter.", "options": {"A": "120 m", "B": "128 m", "C": "140 m", "D": "160 m"}, "correct_answer": "A"},
    {"id": 50, "difficulty": "hard", "question": "Rectangle: Perimeter=150 cm, B=25 cm. Find length 📏", "options": {"A": "40 cm", "B": "50 cm", "C": "55 cm", "D": "60 cm"}, "correct_answer": "B"},

    {"id": 51, "difficulty": "hard", "question": "Square 🟫 with side 40 cm. Perimeter?", "options": {"A": "140 cm", "B": "150 cm", "C": "160 cm", "D": "120 cm"}, "correct_answer": "C"},
    {"id": 52, "difficulty": "hard", "question": "Rectangle L=42 cm, B=19 cm. Perimeter? 🧮", "options": {"A": "80 cm", "B": "100 cm", "C": "122 cm", "D": "120 cm"}, "correct_answer": "D"},
    {"id": 53, "difficulty": "hard", "question": "Square piece of land 🌾 side=45 m. Perimeter?", "options": {"A": "160 m", "B": "170 m", "C": "180 m", "D": "200 m"}, "correct_answer": "A"},
    {"id": 54, "difficulty": "hard", "question": "Rectangle with perimeter 200 cm, B=30 cm. Find length 📏", "options": {"A": "50 cm", "B": "60 cm", "C": "70 cm", "D": "80 cm"}, "correct_answer": "B"},
    {"id": 55, "difficulty": "hard", "question": "Square banner 🎉 side=50 cm. Perimeter?", "options": {"A": "180 cm", "B": "190 cm", "C": "200 cm", "D": "220 cm"}, "correct_answer": "C"},
    {"id": 56, "difficulty": "hard", "question": "Rectangle L=55 cm, B=22 cm 📐 Find perimeter.", "options": {"A": "100 cm", "B": "120 cm", "C": "140 cm", "D": "154 cm"}, "correct_answer": "D"},
    {"id": 57, "difficulty": "hard", "question": "Square tile 🧱 side=60 cm. Find perimeter.", "options": {"A": "200 cm", "B": "220 cm", "C": "240 cm", "D": "260 cm"}, "correct_answer": "A"},
    {"id": 58, "difficulty": "hard", "question": "Rectangle L=60 cm, B=25 cm. Perimeter? 📏", "options": {"A": "140 cm", "B": "150 cm", "C": "160 cm", "D": "170 cm"}, "correct_answer": "B"},
    {"id": 59, "difficulty": "hard", "question": "Square field 🌿 side=70 m. Find perimeter.", "options": {"A": "240 m", "B": "260 m", "C": "280 m", "D": "300 m"}, "correct_answer": "C"},
    {"id": 60, "difficulty": "hard", "question": "Rectangle perimeter=300 cm, B=50 cm. Find length 📐", "options": {"A": "80 cm", "B": "90 cm", "C": "100 cm", "D": "110 cm"}, "correct_answer": "D"}
  ]
}