{
  "title": "Direct and Inverse Proportion - Grade 6 ICSE",
  "total_questions": 60,
  "questions": [
    {
      "id": 1,
      "difficulty": "easy",
      "question": "If 2 chocolates cost ₹20, 5 cost? 🍫",
      "options": { "A": "₹48", "B": "₹49", "C": "₹50", "D": "₹52" },
      "correct_answer": "C"
    },
    {
      "id": 2,
      "difficulty": "easy",
      "question": "If 3 pens cost ₹45, 1 pen costs? ✒️",
      "options": { "A": "₹14", "B": "₹14.5", "C": "₹15", "D": "₹15.5" },
      "correct_answer": "C"
    },
    {
      "id": 3,
      "difficulty": "easy",
      "question": "If 5 books weigh 10kg, 1 book weighs? 📚",
      "options": { "A": "1.9kg", "B": "2kg", "C": "2.1kg", "D": "2.2kg" },
      "correct_answer": "B"
    },
    {
      "id": 4,
      "difficulty": "easy",
      "question": "If 8 oranges cost ₹64, 3 cost? 🍊",
      "options": { "A": "₹23", "B": "₹23.5", "C": "₹24", "D": "₹24.5" },
      "correct_answer": "C"
    },
    {
      "id": 5,
      "difficulty": "easy",
      "question": "If 4 pencils cost ₹12, 10 cost? 📝",
      "options": { "A": "₹29", "B": "₹29.5", "C": "₹30", "D": "₹30.5" },
      "correct_answer": "C"
    },
    {
      "id": 6,
      "difficulty": "easy",
      "question": "If 6 apples cost ₹90, 4 cost? 🍎",
      "options": { "A": "₹59", "B": "₹59.5", "C": "₹60", "D": "₹60.5" },
      "correct_answer": "C"
    },
    {
      "id": 7,
      "difficulty": "easy",
      "question": "If 10 km in 2 hours, 25 km in? hours 🚗",
      "options": { "A": "4.9", "B": "5", "C": "5.1", "D": "5.2" },
      "correct_answer": "B"
    },
    {
      "id": 8,
      "difficulty": "easy",
      "question": "If 3 workers do work in 12 days, 1 worker in? days 👷",
      "options": { "A": "35", "B": "36", "C": "37", "D": "38" },
      "correct_answer": "B"
    },
    {
      "id": 9,
      "difficulty": "easy",
      "question": "If 4 machines make 20 items, 1 machine makes? items ⚙️",
      "options": { "A": "4.9", "B": "5", "C": "5.1", "D": "5.2" },
      "correct_answer": "B"
    },
    {
      "id": 10,
      "difficulty": "easy",
      "question": "If 5 boys eat 15 pizzas, 1 boy eats? pizzas 🍕",
      "options": { "A": "2.9", "B": "3", "C": "3.1", "D": "3.2" },
      "correct_answer": "B"
    },
    {
      "id": 11,
      "difficulty": "easy",
      "question": "If 2 taps fill tank in 6 hours, 1 tap in? hours 🚰",
      "options": { "A": "11", "B": "12", "C": "13", "D": "14" },
      "correct_answer": "B"
    },
    {
      "id": 12,
      "difficulty": "easy",
      "question": "If 8 meters cloth costs ₹400, 1 meter costs? 👕",
      "options": { "A": "₹49", "B": "₹49.5", "C": "₹50", "D": "₹50.5" },
      "correct_answer": "C"
    },
    {
      "id": 13,
      "difficulty": "easy",
      "question": "If 12 pencils cost ₹60, 5 cost? ✏️",
      "options": { "A": "₹24", "B": "₹24.5", "C": "₹25", "D": "₹25.5" },
      "correct_answer": "C"
    },
    {
      "id": 14,
      "difficulty": "easy",
      "question": "If 15 km in 3 hours, 5 km in? hours 🚴",
      "options": { "A": "0.9", "B": "1", "C": "1.1", "D": "1.2" },
      "correct_answer": "B"
    },
    {
      "id": 15,
      "difficulty": "easy",
      "question": "If 6 men do work in 18 days, 2 men in? days 👨‍💼",
      "options": { "A": "53", "B": "54", "C": "55", "D": "56" },
      "correct_answer": "B"
    },
    {
      "id": 16,
      "difficulty": "easy",
      "question": "If 10 liters cost ₹250, 4 liters cost? ⛽",
      "options": { "A": "₹99", "B": "₹99.5", "C": "₹100", "D": "₹100.5" },
      "correct_answer": "C"
    },
    {
      "id": 17,
      "difficulty": "easy",
      "question": "If 3 cars carry 15 people, 1 car carries? people 🚗",
      "options": { "A": "4.9", "B": "5", "C": "5.1", "D": "5.2" },
      "correct_answer": "B"
    },
    {
      "id": 18,
      "difficulty": "easy",
      "question": "If 4 pipes fill tank in 8 hours, 2 pipes in? hours 🚿",
      "options": { "A": "15", "B": "16", "C": "17", "D": "18" },
      "correct_answer": "B"
    },
    {
      "id": 19,
      "difficulty": "easy",
      "question": "If 20 pages in 5 minutes, 4 pages in? minutes 📄",
      "options": { "A": "0.9", "B": "1", "C": "1.1", "D": "1.2" },
      "correct_answer": "B"
    },
    {
      "id": 20,
      "difficulty": "easy",
      "question": "If 9 balls cost ₹135, 7 cost? 🏀",
      "options": { "A": "₹104", "B": "₹104.5", "C": "₹105", "D": "₹105.5" },
      "correct_answer": "C"
    },
    {
      "id": 21,
      "difficulty": "medium",
      "question": "If 5 workers finish in 12 days, 3 workers in? days 👷",
      "options": { "A": "19", "B": "19.5", "C": "20", "D": "20.5" },
      "correct_answer": "C"
    },
    {
      "id": 22,
      "difficulty": "medium",
      "question": "If 8 men build wall in 6 days, 12 men in? days 🧱",
      "options": { "A": "3.9", "B": "4", "C": "4.1", "D": "4.2" },
      "correct_answer": "B"
    },
    {
      "id": 23,
      "difficulty": "medium",
      "question": "If 6 pumps empty tank in 8 hours, 4 pumps in? hours ⛽",
      "options": { "A": "11.9", "B": "12", "C": "12.1", "D": "12.2" },
      "correct_answer": "B"
    },
    {
      "id": 24,
      "difficulty": "medium",
      "question": "If 15 workers in 20 days, 25 workers in? days 👨‍🔧",
      "options": { "A": "11.9", "B": "12", "C": "12.1", "D": "12.2" },
      "correct_answer": "B"
    },
    {
      "id": 25,
      "difficulty": "medium",
      "question": "If 4 taps fill in 9 hours, 6 taps in? hours 🚰",
      "options": { "A": "5.9", "B": "6", "C": "6.1", "D": "6.2" },
      "correct_answer": "B"
    },
    {
      "id": 26,
      "difficulty": "medium",
      "question": "If 10 machines make 50 items in 5 hours, 5 machines in? hours ⚙️",
      "options": { "A": "9.9", "B": "10", "C": "10.1", "D": "10.2" },
      "correct_answer": "B"
    },
    {
      "id": 27,
      "difficulty": "medium",
      "question": "If 8 students need 12 books, 6 students need? books 📚",
      "options": { "A": "8.9", "B": "9", "C": "9.1", "D": "9.2" },
      "correct_answer": "B"
    },
    {
      "id": 28,
      "difficulty": "medium",
      "question": "If 6 painters paint in 10 days, 10 painters in? days 🎨",
      "options": { "A": "5.9", "B": "6", "C": "6.1", "D": "6.2" },
      "correct_answer": "B"
    },
    {
      "id": 29,
      "difficulty": "medium",
      "question": "If 4 pipes empty in 15 hours, 10 pipes in? hours 🚿",
      "options": { "A": "5.9", "B": "6", "C": "6.1", "D": "6.2" },
      "correct_answer": "B"
    },
    {
      "id": 30,
      "difficulty": "medium",
      "question": "If 12 workers in 8 days, 8 workers in? days 👷‍♂️",
      "options": { "A": "11.9", "B": "12", "C": "12.1", "D": "12.2" },
      "correct_answer": "B"
    },
    {
      "id": 31,
      "difficulty": "medium",
      "question": "If 5 kg sugar costs ₹150, 8 kg costs? 🍬",
      "options": { "A": "₹239", "B": "₹239.5", "C": "₹240", "D": "₹240.5" },
      "correct_answer": "C"
    },
    {
      "id": 32,
      "difficulty": "medium",
      "question": "If 3 cars use 12 liters for 60 km, 5 cars for 100 km use? liters 🚗",
      "options": {
        "A": "30 liters",
        "B": "32 liters",
        "C": "33.33 liters",
        "D": "35 liters"
      },
      "correct_answer": "C"
    },
    {
      "id": 33,
      "difficulty": "medium",
      "question": "If 8 men eat food in 6 days, 12 men in? days 🍽️",
      "options": { "A": "3.9", "B": "4", "C": "4.1", "D": "4.2" },
      "correct_answer": "B"
    },
    {
      "id": 34,
      "difficulty": "medium",
      "question": "If 6 pumps fill in 4 hours, 9 pumps in? hours ⛽",
      "options": { "A": "2.6", "B": "2.67", "C": "2.7", "D": "2.8" },
      "correct_answer": "B"
    },
    {
      "id": 35,
      "difficulty": "medium",
      "question": "If 15 workers build in 12 days, 10 workers in? days 🏗️",
      "options": { "A": "17.9", "B": "18", "C": "18.1", "D": "18.2" },
      "correct_answer": "B"
    },
    {
      "id": 36,
      "difficulty": "medium",
      "question": "If 4 typists type 20 pages in 5 hours, 6 typists in 3 hours type? pages 📄",
      "options": { "A": "17.9", "B": "18", "C": "18.1", "D": "18.2" },
      "correct_answer": "B"
    },
    {
      "id": 37,
      "difficulty": "medium",
      "question": "If 8 machines make 24 items in 3 hours, 6 machines in 4 hours make? items ⚙️",
      "options": { "A": "23.9", "B": "24", "C": "24.1", "D": "24.2" },
      "correct_answer": "B"
    },
    {
      "id": 38,
      "difficulty": "medium",
      "question": "If 12 men finish in 8 days, 16 men in? days 👨‍💼",
      "options": { "A": "5.9", "B": "6", "C": "6.1", "D": "6.2" },
      "correct_answer": "B"
    },
    {
      "id": 39,
      "difficulty": "medium",
      "question": "If 5 pipes fill in 6 hours, 3 pipes in? hours 🚰",
      "options": { "A": "9.9", "B": "10", "C": "10.1", "D": "10.2" },
      "correct_answer": "B"
    },
    {
      "id": 40,
      "difficulty": "medium",
      "question": "If 10 workers in 15 days, 25 workers in? days 👷‍♀️",
      "options": { "A": "5.9", "B": "6", "C": "6.1", "D": "6.2" },
      "correct_answer": "B"
    },
    {
      "id": 41,
      "difficulty": "hard",
      "question": "If 6 pumps empty in 4 hours, how many pumps to empty in 3 hours? ⛽",
      "options": { "A": "7.9", "B": "8", "C": "8.1", "D": "8.2" },
      "correct_answer": "B"
    },
    {
      "id": 42,
      "difficulty": "hard",
      "question": "If 8 men build in 12 days, how many men to build in 6 days? 🏗️",
      "options": { "A": "15.9", "B": "16", "C": "16.1", "D": "16.2" },
      "correct_answer": "B"
    },
    {
      "id": 43,
      "difficulty": "hard",
      "question": "If 12 workers finish in 10 days, how many workers to finish in 8 days? 👷",
      "options": { "A": "14.9", "B": "15", "C": "15.1", "D": "15.2" },
      "correct_answer": "B"
    },
    {
      "id": 44,
      "difficulty": "hard",
      "question": "If 4 pipes fill in 5 hours, how many pipes to fill in 2 hours? 🚿",
      "options": { "A": "9.9", "B": "10", "C": "10.1", "D": "10.2" },
      "correct_answer": "B"
    },
    {
      "id": 45,
      "difficulty": "hard",
      "question": "If 15 machines make 45 items in 3 hours, how many machines to make 60 items in 2 hours? ⚙️",
      "options": { "A": "29.9", "B": "30", "C": "30.1", "D": "30.2" },
      "correct_answer": "B"
    },
    {
      "id": 46,
      "difficulty": "hard",
      "question": "If 6 typists type 30 pages in 5 hours, how many typists to type 48 pages in 4 hours? 📄",
      "options": { "A": "11.9", "B": "12", "C": "12.1", "D": "12.2" },
      "correct_answer": "B"
    },
    {
      "id": 47,
      "difficulty": "hard",
      "question": "If 8 workers complete in 9 days, how many workers to complete in 6 days? 👨‍🔧",
      "options": { "A": "11.9", "B": "12", "C": "12.1", "D": "12.2" },
      "correct_answer": "B"
    },
    {
      "id": 48,
      "difficulty": "hard",
      "question": "If 10 pumps empty in 6 hours, how many pumps to empty in 4 hours? ⛽",
      "options": { "A": "14.9", "B": "15", "C": "15.1", "D": "15.2" },
      "correct_answer": "B"
    },
    {
      "id": 49,
      "difficulty": "hard",
      "question": "If 12 men eat food in 8 days, how many men to eat same food in 6 days? 🍽️",
      "options": { "A": "15.9", "B": "16", "C": "16.1", "D": "16.2" },
      "correct_answer": "B"
    },
    {
      "id": 50,
      "difficulty": "hard",
      "question": "If 5 pipes fill in 8 hours, how many pipes to fill in 5 hours? 🚰",
      "options": { "A": "7.9", "B": "8", "C": "8.1", "D": "8.2" },
      "correct_answer": "B"
    },
    {
      "id": 51,
      "difficulty": "hard",
      "question": "If 6 workers in 10 days, how many workers to complete in 4 days? 👷‍♂️",
      "options": { "A": "14.9", "B": "15", "C": "15.1", "D": "15.2" },
      "correct_answer": "B"
    },
    {
      "id": 52,
      "difficulty": "hard",
      "question": "If 8 machines make 32 items in 4 hours, how many machines to make 60 items in 3 hours? ⚙️",
      "options": { "A": "19.9", "B": "20", "C": "20.1", "D": "20.2" },
      "correct_answer": "B"
    },
    {
      "id": 53,
      "difficulty": "hard",
      "question": "If 10 typists type 40 pages in 5 hours, how many typists to type 72 pages in 6 hours? 📝",
      "options": { "A": "14.9", "B": "15", "C": "15.1", "D": "15.2" },
      "correct_answer": "B"
    },
    {
      "id": 54,
      "difficulty": "hard",
      "question": "If 12 painters paint in 15 days, how many painters to paint in 10 days? 🎨",
      "options": { "A": "17.9", "B": "18", "C": "18.1", "D": "18.2" },
      "correct_answer": "B"
    },
    {
      "id": 55,
      "difficulty": "hard",
      "question": "If 6 pipes fill in 9 hours, how many pipes to fill in 4 hours? 🚿",
      "options": { "A": "13.4", "B": "13.5", "C": "13.6", "D": "13.7" },
      "correct_answer": "B"
    },
    {
      "id": 56,
      "difficulty": "hard",
      "question": "If 8 workers build in 12 days, how many days for 6 workers? 🏗️",
      "options": { "A": "15.9", "B": "16", "C": "16.1", "D": "16.2" },
      "correct_answer": "B"
    },
    {
      "id": 57,
      "difficulty": "hard",
      "question": "If 10 machines in 6 hours, how many hours for 15 machines? ⚙️",
      "options": { "A": "3.9", "B": "4", "C": "4.1", "D": "4.2" },
      "correct_answer": "B"
    },
    {
      "id": 58,
      "difficulty": "hard",
      "question": "If 12 pumps in 8 hours, how many pumps for 6 hours? ⛽",
      "options": { "A": "15.9", "B": "16", "C": "16.1", "D": "16.2" },
      "correct_answer": "B"
    },
    {
      "id": 59,
      "difficulty": "hard",
      "question": "If 15 workers in 10 days, how many workers for 6 days? 👷‍♀️",
      "options": { "A": "24.9", "B": "25", "C": "25.1", "D": "25.2" },
      "correct_answer": "B"
    },
    {
      "id": 60,
      "difficulty": "hard",
      "question": "If 5 pipes in 7 hours, how many pipes for 3.5 hours? 🚰",
      "options": { "A": "9.9", "B": "10", "C": "10.1", "D": "10.2" },
      "correct_answer": "B"
    }
  ]
}
