{
  "title": "Simple Interest Introduction (Money) - Grade 4 ICSE",
  "total_questions": 100,
  "questions": [
    {
      "id": 1,
      "difficulty": "easy",
      "question": "If Principal = ₹100, Rate = 5% per year, Time = 1 year. Simple Interest = ? 💰",
      "options": { "A": "₹3", "B": "₹4", "C": "₹5", "D": "₹6" },
      "correct_answer": "C"
    },
    {
      "id": 2,
      "difficulty": "easy",
      "question": "Principal = ₹200, Time = 1 year, Interest = ₹10. Rate = ? 📊",
      "options": { "A": "4%", "B": "5%", "C": "6%", "D": "7%" },
      "correct_answer": "B"
    },
    {
      "id": 3,
      "difficulty": "easy",
      "question": "Simple Interest for ₹50 at 10% for 1 year? 🎯",
      "options": { "A": "₹4", "B": "₹5", "C": "₹6", "D": "₹7" },
      "correct_answer": "B"
    },
    {
      "id": 4,
      "difficulty": "easy",
      "question": "P = ₹80, R = 5%, T = 1 year. Interest = ? ✨",
      "options": { "A": "₹3", "B": "₹3.50", "C": "₹4", "D": "₹4.50" },
      "correct_answer": "C"
    },
    {
      "id": 5,
      "difficulty": "easy",
      "question": "If you borrow ₹100 at 2% for 1 year, how much interest? 💸",
      "options": { "A": "₹1", "B": "₹2", "C": "₹3", "D": "₹4" },
      "correct_answer": "B"
    },
    {
      "id": 6,
      "difficulty": "easy",
      "question": "P = ₹150, R = 4%, T = 1 year. Simple Interest? 📈",
      "options": { "A": "₹5", "B": "₹6", "C": "₹7", "D": "₹8" },
      "correct_answer": "B"
    },
    {
      "id": 7,
      "difficulty": "easy",
      "question": "Interest on ₹60 at 5% for 1 year? 🧮",
      "options": { "A": "₹2", "B": "₹2.50", "C": "₹3", "D": "₹3.50" },
      "correct_answer": "C"
    },
    {
      "id": 8,
      "difficulty": "easy",
      "question": "P = ₹90, R = 10%, T = 1 year. Interest? 💰",
      "options": { "A": "₹8", "B": "₹9", "C": "₹10", "D": "₹11" },
      "correct_answer": "B"
    },
    {
      "id": 9,
      "difficulty": "easy",
      "question": "If ₹40 at 5% for 1 year, interest = ? 🎯",
      "options": { "A": "₹1.50", "B": "₹2", "C": "₹2.50", "D": "₹3" },
      "correct_answer": "B"
    },
    {
      "id": 10,
      "difficulty": "easy",
      "question": "P = ₹120, R = 5%, T = 1 year. SI = ? 📊",
      "options": { "A": "₹5", "B": "₹5.50", "C": "₹6", "D": "₹6.50" },
      "correct_answer": "C"
    },
    {
      "id": 11,
      "difficulty": "easy",
      "question": "Interest on ₹70 at 10% for 1 year? 💸",
      "options": { "A": "₹6", "B": "₹7", "C": "₹8", "D": "₹9" },
      "correct_answer": "B"
    },
    {
      "id": 12,
      "difficulty": "easy",
      "question": "P = ₹180, R = 5%, T = 1 year. Simple Interest? 🎉",
      "options": { "A": "₹8", "B": "₹8.50", "C": "₹9", "D": "₹9.50" },
      "correct_answer": "C"
    },
    {
      "id": 13,
      "difficulty": "easy",
      "question": "If you deposit ₹200 at 3% for 1 year, interest? 🏦",
      "options": { "A": "₹5", "B": "₹6", "C": "₹7", "D": "₹8" },
      "correct_answer": "B"
    },
    {
      "id": 14,
      "difficulty": "easy",
      "question": "P = ₹80, R = 10%, T = 1 year. SI = ? 💰",
      "options": { "A": "₹7", "B": "₹8", "C": "₹9", "D": "₹10" },
      "correct_answer": "B"
    },
    {
      "id": 15,
      "difficulty": "easy",
      "question": "Interest on ₹110 at 10% for 1 year? 📈",
      "options": { "A": "₹10", "B": "₹11", "C": "₹12", "D": "₹13" },
      "correct_answer": "B"
    },
    {
      "id": 16,
      "difficulty": "easy",
      "question": "P = ₹140, R = 5%, T = 1 year. Simple Interest? 🎯",
      "options": { "A": "₹6", "B": "₹6.50", "C": "₹7", "D": "₹7.50" },
      "correct_answer": "C"
    },
    {
      "id": 17,
      "difficulty": "easy",
      "question": "If ₹160 at 5% for 1 year, interest = ? ✨",
      "options": { "A": "₹7", "B": "₹7.50", "C": "₹8", "D": "₹8.50" },
      "correct_answer": "C"
    },
    {
      "id": 18,
      "difficulty": "easy",
      "question": "P = ₹95, R = 10%, T = 1 year. Interest? 💸",
      "options": { "A": "₹8.50", "B": "₹9", "C": "₹9.50", "D": "₹10" },
      "correct_answer": "C"
    },
    {
      "id": 19,
      "difficulty": "easy",
      "question": "Interest on ₹125 at 4% for 1 year? 📊",
      "options": { "A": "₹4", "B": "₹4.50", "C": "₹5", "D": "₹5.50" },
      "correct_answer": "C"
    },
    {
      "id": 20,
      "difficulty": "easy",
      "question": "P = ₹75, R = 8%, T = 1 year. SI = ? 🎯",
      "options": { "A": "₹5", "B": "₹5.50", "C": "₹6", "D": "₹6.50" },
      "correct_answer": "C"
    },

    {
      "id": 21,
      "difficulty": "medium",
      "question": "P = ₹500, R = 6%, T = 2 years. Simple Interest? 📅",
      "options": { "A": "₹50", "B": "₹55", "C": "₹60", "D": "₹65" },
      "correct_answer": "C"
    },
    {
      "id": 22,
      "difficulty": "medium",
      "question": "Find SI: P = ₹800, R = 5%, T = 3 years 🧮",
      "options": { "A": "₹110", "B": "₹115", "C": "₹120", "D": "₹125" },
      "correct_answer": "C"
    },
    {
      "id": 23,
      "difficulty": "medium",
      "question": "P = ₹1000, R = 4%, T = 2 years. Interest? 💰",
      "options": { "A": "₹75", "B": "₹78", "C": "₹80", "D": "₹82" },
      "correct_answer": "C"
    },
    {
      "id": 24,
      "difficulty": "medium",
      "question": "SI = ₹24, P = ₹200, T = 2 years. Find R. 🔍",
      "options": { "A": "5%", "B": "6%", "C": "7%", "D": "8%" },
      "correct_answer": "B"
    },
    {
      "id": 25,
      "difficulty": "medium",
      "question": "P = ₹600, R = 5%, T = 3 years. Simple Interest? 📈",
      "options": { "A": "₹85", "B": "₹88", "C": "₹90", "D": "₹92" },
      "correct_answer": "C"
    },
    {
      "id": 26,
      "difficulty": "medium",
      "question": "Find SI: P = ₹400, R = 7%, T = 2 years 💸",
      "options": { "A": "₹52", "B": "₹54", "C": "₹56", "D": "₹58" },
      "correct_answer": "C"
    },
    {
      "id": 27,
      "difficulty": "medium",
      "question": "P = ₹750, R = 4%, T = 3 years. Interest? 🎯",
      "options": { "A": "₹85", "B": "₹88", "C": "₹90", "D": "₹92" },
      "correct_answer": "C"
    },
    {
      "id": 28,
      "difficulty": "medium",
      "question": "SI = ₹36, P = ₹300, T = 2 years. Rate = ? 📊",
      "options": { "A": "5%", "B": "6%", "C": "7%", "D": "8%" },
      "correct_answer": "B"
    },
    {
      "id": 29,
      "difficulty": "medium",
      "question": "P = ₹900, R = 5%, T = 2 years. Simple Interest? ✨",
      "options": { "A": "₹85", "B": "₹88", "C": "₹90", "D": "₹92" },
      "correct_answer": "C"
    },
    {
      "id": 30,
      "difficulty": "medium",
      "question": "Find SI: P = ₹350, R = 8%, T = 2 years 🏦",
      "options": { "A": "₹54", "B": "₹55", "C": "₹56", "D": "₹58" },
      "correct_answer": "C"
    },
    {
      "id": 31,
      "difficulty": "medium",
      "question": "P = ₹850, R = 6%, T = 2 years. Interest? 💰",
      "options": { "A": "₹98", "B": "₹100", "C": "₹102", "D": "₹104" },
      "correct_answer": "C"
    },
    {
      "id": 32,
      "difficulty": "medium",
      "question": "SI = ₹48, P = ₹400, T = 3 years. Find R. 🔢",
      "options": { "A": "3%", "B": "4%", "C": "5%", "D": "6%" },
      "correct_answer": "B"
    },
    {
      "id": 33,
      "difficulty": "medium",
      "question": "P = ₹650, R = 4%, T = 3 years. Simple Interest? 📅",
      "options": { "A": "₹75", "B": "₹76", "C": "₹78", "D": "₹80" },
      "correct_answer": "C"
    },
    {
      "id": 34,
      "difficulty": "medium",
      "question": "Find SI: P = ₹280, R = 5%, T = 3 years 📈",
      "options": { "A": "₹40", "B": "₹41", "C": "₹42", "D": "₹44" },
      "correct_answer": "C"
    },
    {
      "id": 35,
      "difficulty": "medium",
      "question": "P = ₹720, R = 5%, T = 2 years. Interest? 🎯",
      "options": { "A": "₹70", "B": "₹71", "C": "₹72", "D": "₹74" },
      "correct_answer": "C"
    },
    {
      "id": 36,
      "difficulty": "medium",
      "question": "SI = ₹60, P = ₹500, T = 2 years. Rate = ? 💸",
      "options": { "A": "5%", "B": "6%", "C": "7%", "D": "8%" },
      "correct_answer": "B"
    },
    {
      "id": 37,
      "difficulty": "medium",
      "question": "P = ₹950, R = 4%, T = 3 years. Simple Interest? ✨",
      "options": { "A": "₹110", "B": "₹112", "C": "₹114", "D": "₹116" },
      "correct_answer": "C"
    },
    {
      "id": 38,
      "difficulty": "medium",
      "question": "Find SI: P = ₹380, R = 6%, T = 2 years 🧮",
      "options": {
        "A": "₹44",
        "B": "₹45",
        "C": "₹45.60",
        "D": "₹46"
      },
      "correct_answer": "C"
    },
    {
      "id": 39,
      "difficulty": "medium",
      "question": "P = ₹880, R = 5%, T = 2 years. Interest? 💰",
      "options": { "A": "₹86", "B": "₹87", "C": "₹88", "D": "₹90" },
      "correct_answer": "C"
    },
    {
      "id": 40,
      "difficulty": "medium",
      "question": "SI = ₹72, P = ₹600, T = 2 years. Find R. 📊",
      "options": { "A": "5%", "B": "6%", "C": "7%", "D": "8%" },
      "correct_answer": "B"
    },

    {
      "id": 41,
      "difficulty": "hard",
      "question": "P = ₹1200, R = 8%, T = 2.5 years. Simple Interest? 📅",
      "options": { "A": "₹230", "B": "₹235", "C": "₹240", "D": "₹245" },
      "correct_answer": "C"
    },
    {
      "id": 42,
      "difficulty": "hard",
      "question": "Find SI: P = ₹1500, R = 7%, T = 3 years 4 months 🗓️",
      "options": { "A": "₹345", "B": "₹350", "C": "₹355", "D": "₹360" },
      "correct_answer": "B"
    },
    {
      "id": 43,
      "difficulty": "hard",
      "question": "P = ₹2000, R = 6.5%, T = 2 years. Interest? 💰",
      "options": { "A": "₹255", "B": "₹258", "C": "₹260", "D": "₹265" },
      "correct_answer": "C"
    },
    {
      "id": 44,
      "difficulty": "hard",
      "question": "SI = ₹315, P = ₹1500, T = 3 years. Find R. 🔍",
      "options": { "A": "6%", "B": "6.5%", "C": "7%", "D": "7.5%" },
      "correct_answer": "C"
    },
    {
      "id": 45,
      "difficulty": "hard",
      "question": "P = ₹1800, R = 5.5%, T = 3 years. Simple Interest? 📈",
      "options": { "A": "₹292", "B": "₹295", "C": "₹297", "D": "₹300" },
      "correct_answer": "C"
    },
    {
      "id": 46,
      "difficulty": "hard",
      "question": "Find SI: P = ₹2400, R = 4.5%, T = 2 years 6 months 🧮",
      "options": { "A": "₹265", "B": "₹268", "C": "₹270", "D": "₹275" },
      "correct_answer": "C"
    },
    {
      "id": 47,
      "difficulty": "hard",
      "question": "P = ₹3000, R = 6%, T = 2.5 years. Interest? 💸",
      "options": { "A": "₹440", "B": "₹445", "C": "₹450", "D": "₹455" },
      "correct_answer": "C"
    },
    {
      "id": 48,
      "difficulty": "hard",
      "question": "SI = ₹420, R = 7%, T = 3 years. Find P. 🔢",
      "options": { "A": "₹1950", "B": "₹1980", "C": "₹2000", "D": "₹2050" },
      "correct_answer": "C"
    },
    {
      "id": 49,
      "difficulty": "hard",
      "question": "P = ₹1600, R = 8.5%, T = 2 years. Simple Interest? 🎯",
      "options": { "A": "₹268", "B": "₹270", "C": "₹272", "D": "₹275" },
      "correct_answer": "C"
    },
    {
      "id": 50,
      "difficulty": "hard",
      "question": "Find SI: P = ₹2200, R = 5.25%, T = 3 years 📊",
      "options": {
        "A": "₹345",
        "B": "₹346",
        "C": "₹346.50",
        "D": "₹347"
      },
      "correct_answer": "C"
    },
    {
      "id": 51,
      "difficulty": "hard",
      "question": "P = ₹2700, R = 6.25%, T = 2 years. Interest? 💰",
      "options": {
        "A": "₹336",
        "B": "₹337",
        "C": "₹337.50",
        "D": "₹338"
      },
      "correct_answer": "C"
    },
    {
      "id": 52,
      "difficulty": "hard",
      "question": "SI = ₹540, P = ₹1800, T = 4 years. Find R. 🔍",
      "options": { "A": "7%", "B": "7.5%", "C": "8%", "D": "8.5%" },
      "correct_answer": "B"
    },
    {
      "id": 53,
      "difficulty": "hard",
      "question": "P = ₹3200, R = 5.75%, T = 2.5 years. Simple Interest? 📅",
      "options": { "A": "₹458", "B": "₹460", "C": "₹462", "D": "₹465" },
      "correct_answer": "B"
    },
    {
      "id": 54,
      "difficulty": "hard",
      "question": "Find SI: P = ₹1900, R = 7.25%, T = 3 years 🧮",
      "options": {
        "A": "₹412",
        "B": "₹413",
        "C": "₹413.25",
        "D": "₹414"
      },
      "correct_answer": "C"
    },
    {
      "id": 55,
      "difficulty": "hard",
      "question": "P = ₹2500, R = 6.5%, T = 3 years. Interest? 💸",
      "options": {
        "A": "₹487",
        "B": "₹488",
        "C": "₹487.50",
        "D": "₹489"
      },
      "correct_answer": "C"
    },
    {
      "id": 56,
      "difficulty": "hard",
      "question": "SI = ₹672, R = 8%, T = 3 years. Find P. 🔢",
      "options": { "A": "₹2750", "B": "₹2780", "C": "₹2800", "D": "₹2850" },
      "correct_answer": "C"
    },
    {
      "id": 57,
      "difficulty": "hard",
      "question": "P = ₹3500, R = 5.5%, T = 2 years 6 months. Simple Interest? 📈",
      "options": {
        "A": "₹480",
        "B": "₹481",
        "C": "₹481.25",
        "D": "₹482"
      },
      "correct_answer": "C"
    },
    {
      "id": 58,
      "difficulty": "hard",
      "question": "Find SI: P = ₹2800, R = 6.75%, T = 2 years 🎯",
      "options": { "A": "₹376", "B": "₹378", "C": "₹380", "D": "₹382" },
      "correct_answer": "B"
    },
    {
      "id": 59,
      "difficulty": "hard",
      "question": "P = ₹4200, R = 7.25%, T = 2 years. Interest? 💰",
      "options": { "A": "₹607", "B": "₹609", "C": "₹610", "D": "₹612" },
      "correct_answer": "B"
    },
    {
      "id": 60,
      "difficulty": "hard",
      "question": "SI = ₹810, R = 9%, T = 3 years. Find P. 🔍",
      "options": { "A": "₹2950", "B": "₹2980", "C": "₹3000", "D": "₹3050" },
      "correct_answer": "C"
    }
  ]
}