{
  "title": "Money - Buying and Selling",
  "total_questions": 60,
  "questions": [
    {
      "id": 1,
      "difficulty": "easy",
      "question": "A toy costs ₹2. Which coin do you give?",
      "options": {
        "A": "₹1 coin",
        "B": "₹10 coin",
        "C": "₹2 coin",
        "D": "₹5 coin"
      },
      "correct_answer": "C"
    },
    {
      "id": 2,
      "difficulty": "easy",
      "question": "A pencil costs ₹1. Which coin is enough?",
      "options": {
        "A": "₹1 coin",
        "B": "₹2 coin",
        "C": "₹5 coin",
        "D": "₹10 coin"
      },
      "correct_answer": "A"
    },
    {
      "id": 3,
      "difficulty": "easy",
      "question": "A chocolate costs ₹5. What coin do you need?",
      "options": {
        "A": "₹2 coin",
        "B": "₹10 coin",
        "C": "₹5 coin",
        "D": "₹1 coin"
      },
      "correct_answer": "C"
    },
    {
      "id": 4,
      "difficulty": "easy",
      "question": "A sticker costs ₹10. Which coin will you use?",
      "options": {
        "A": "₹10 coin",
        "B": "₹1 coin",
        "C": "₹2 coin",
        "D": "₹5 coin"
      },
      "correct_answer": "A"
    },
    {
      "id": 5,
      "difficulty": "easy",
      "question": "A ball costs ₹1. What coin do you give?",
      "options": {
        "A": "₹2 coin",
        "B": "₹1 coin",
        "C": "₹5 coin",
        "D": "₹10 coin"
      },
      "correct_answer": "B"
    },
    {
      "id": 6,
      "difficulty": "easy",
      "question": "A crayon costs ₹2. Which coin is correct?",
      "options": {
        "A": "₹10 coin",
        "B": "₹5 coin",
        "C": "₹2 coin",
        "D": "₹1 coin"
      },
      "correct_answer": "C"
    },
    {
      "id": 7,
      "difficulty": "easy",
      "question": "A rubber costs ₹5. Which coin will you give?",
      "options": {
        "A": "₹1 coin",
        "B": "₹5 coin",
        "C": "₹2 coin",
        "D": "₹10 coin"
      },
      "correct_answer": "B"
    },
    {
      "id": 8,
      "difficulty": "easy",
      "question": "A sharpener costs ₹10. Which coin pays the full amount?",
      "options": {
        "A": "₹2 coin",
        "B": "₹5 coin",
        "C": "₹10 coin",
        "D": "₹1 coin"
      },
      "correct_answer": "C"
    },
    {
      "id": 9,
      "difficulty": "easy",
      "question": "A candy costs ₹1. What coin should you pay with?",
      "options": {
        "A": "₹1 coin",
        "B": "₹10 coin",
        "C": "₹2 coin",
        "D": "₹5 coin"
      },
      "correct_answer": "A"
    },
    {
      "id": 10,
      "difficulty": "easy",
      "question": "A balloon costs ₹2. Which coin is needed?",
      "options": {
        "A": "₹2 coin",
        "B": "₹1 coin",
        "C": "₹10 coin",
        "D": "₹5 coin"
      },
      "correct_answer": "A"
    },
    {
      "id": 11,
      "difficulty": "easy",
      "question": "A toy car costs ₹5. What coin should you use?",
      "options": {
        "A": "₹5 coin",
        "B": "₹10 coin",
        "C": "₹2 coin",
        "D": "₹1 coin"
      },
      "correct_answer": "A"
    },
    {
      "id": 12,
      "difficulty": "easy",
      "question": "A book costs ₹10. Which coin will you give?",
      "options": {
        "A": "₹1 coin",
        "B": "₹10 coin",
        "C": "₹2 coin",
        "D": "₹5 coin"
      },
      "correct_answer": "B"
    },
    {
      "id": 13,
      "difficulty": "easy",
      "question": "A small eraser costs ₹1. Which coin is best?",
      "options": {
        "A": "₹5 coin",
        "B": "₹1 coin",
        "C": "₹2 coin",
        "D": "₹10 coin"
      },
      "correct_answer": "B"
    },
    {
      "id": 14,
      "difficulty": "easy",
      "question": "A small toy costs ₹2. What coin should you give?",
      "options": {
        "A": "₹2 coin",
        "B": "₹10 coin",
        "C": "₹5 coin",
        "D": "₹1 coin"
      },
      "correct_answer": "A"
    },
    {
      "id": 15,
      "difficulty": "easy",
      "question": "A note costs ₹5. Which coin pays exactly?",
      "options": {
        "A": "₹10 coin",
        "B": "₹1 coin",
        "C": "₹5 coin",
        "D": "₹2 coin"
      },
      "correct_answer": "C"
    },
    {
      "id": 16,
      "difficulty": "easy",
      "question": "A pen costs ₹10. What coin will you give?",
      "options": {
        "A": "₹10 coin",
        "B": "₹5 coin",
        "C": "₹2 coin",
        "D": "₹1 coin"
      },
      "correct_answer": "A"
    },
    {
      "id": 17,
      "difficulty": "easy",
      "question": "A biscuit costs ₹1. Which coin will you use?",
      "options": {
        "A": "₹1 coin",
        "B": "₹10 coin",
        "C": "₹2 coin",
        "D": "₹5 coin"
      },
      "correct_answer": "A"
    },
    {
      "id": 18,
      "difficulty": "easy",
      "question": "A keychain costs ₹2. Choose the correct coin.",
      "options": {
        "A": "₹5 coin",
        "B": "₹2 coin",
        "C": "₹1 coin",
        "D": "₹10 coin"
      },
      "correct_answer": "B"
    },
    {
      "id": 19,
      "difficulty": "easy",
      "question": "A book cover costs ₹5. Which coin pays the full amount?",
      "options": {
        "A": "₹1 coin",
        "B": "₹2 coin",
        "C": "₹5 coin",
        "D": "₹10 coin"
      },
      "correct_answer": "C"
    },
    {
      "id": 20,
      "difficulty": "easy",
      "question": "A marker costs ₹10. Which coin should you choose?",
      "options": {
        "A": "₹10 coin",
        "B": "₹1 coin",
        "C": "₹5 coin",
        "D": "₹2 coin"
      },
      "correct_answer": "A"
    },
    {
      "id": 21,
      "difficulty": "medium",
      "question": "A pencil costs ₹2. You give a ₹5 coin. How much money should you get back?",
      "options": {
        "A": "₹3",
        "B": "₹1",
        "C": "₹2",
        "D": "₹5"
      },
      "correct_answer": "A"
    },
    {
      "id": 22,
      "difficulty": "medium",
      "question": "A toy costs ₹5. You give a ₹10 coin. Change you get?",
      "options": {
        "A": "₹6",
        "B": "₹2",
        "C": "₹5",
        "D": "₹3"
      },
      "correct_answer": "C"
    },
    {
      "id": 23,
      "difficulty": "medium",
      "question": "A sticker costs ₹1. You give ₹2. How much change?",
      "options": {
        "A": "₹1",
        "B": "₹3",
        "C": "₹2",
        "D": "₹5"
      },
      "correct_answer": "A"
    },
    {
      "id": 24,
      "difficulty": "medium",
      "question": "You buy a ball for ₹2 using a ₹2 coin. Change?",
      "options": {
        "A": "₹2",
        "B": "₹0",
        "C": "₹1",
        "D": "₹5"
      },
      "correct_answer": "B"
    },
    {
      "question_id": 25,
      "question": "A crayon costs ₹5. You give ₹10. Change?",
      "options": {
        "A": "₹3",
        "B": "₹6",
        "C": "₹5",
        "D": "₹2"
      },
      "correct_answer": "C",
      "id": 25,
      "difficulty": "medium"
    },
    {
      "id": 26,
      "difficulty": "medium",
      "question": "You buy a sticker for ₹1 using a ₹5 coin. Change?",
      "options": {
        "A": "₹2",
        "B": "₹1",
        "C": "₹3",
        "D": "₹4"
      },
      "correct_answer": "D"
    },
    {
      "id": 27,
      "difficulty": "medium",
      "question": "A toy car costs ₹10. You give ₹5. Is it enough?",
      "options": {
        "A": "Yes",
        "B": "No",
        "C": "Maybe",
        "D": "Only sometimes"
      },
      "correct_answer": "B"
    },
    {
      "id": 28,
      "difficulty": "medium",
      "question": "A rubber costs ₹2. You have ₹1 coin. Can you buy it?",
      "options": {
        "A": "No",
        "B": "Yes",
        "C": "Maybe",
        "D": "Only once"
      },
      "correct_answer": "A"
    },
    {
      "id": 29,
      "difficulty": "medium",
      "question": "You want to buy a ₹5 book. Which coin is correct?",
      "options": {
        "A": "₹1 coin",
        "B": "₹2 coin",
        "C": "₹5 coin",
        "D": "₹10 coin"
      },
      "correct_answer": "C"
    },
    {
      "id": 30,
      "difficulty": "medium",
      "question": "A pen costs ₹10. You give ₹10. Change?",
      "options": {
        "A": "₹0",
        "B": "₹2",
        "C": "₹5",
        "D": "₹10"
      },
      "correct_answer": "A"
    },
    {
      "id": 31,
      "difficulty": "medium",
      "question": "You give ₹2 for a ₹1 candy. How much do you get back?",
      "options": {
        "A": "₹3",
        "B": "₹0",
        "C": "₹1",
        "D": "₹2"
      },
      "correct_answer": "C"
    },
    {
      "id": 32,
      "difficulty": "medium",
      "question": "A toy costs ₹3 but you only have ₹2. Can you buy it?",
      "options": {
        "A": "Yes",
        "B": "No",
        "C": "Sometimes",
        "D": "Maybe"
      },
      "correct_answer": "B"
    },
    {
      "id": 33,
      "difficulty": "medium",
      "question": "You buy a ₹5 item using ₹10. How much change?",
      "options": {
        "A": "₹2",
        "B": "₹4",
        "C": "₹6",
        "D": "₹5"
      },
      "correct_answer": "D"
    },
    {
      "id": 34,
      "difficulty": "medium",
      "question": "A ball costs ₹2. Which payment is enough?",
      "options": {
        "A": "₹1 coin",
        "B": "₹5 coin",
        "C": "₹10 coin",
        "D": "₹2 coin"
      },
      "correct_answer": "D"
    },
    {
      "id": 35,
      "difficulty": "medium",
      "question": "A notebook costs ₹10. Which two coins can you use?",
      "options": {
        "A": "₹5+₹5",
        "B": "₹2+₹2",
        "C": "₹1+₹5",
        "D": "₹1+₹2"
      },
      "correct_answer": "A"
    },
    {
      "id": 36,
      "difficulty": "medium",
      "question": "A toy costs ₹5. You give ₹6. Change?",
      "options": {
        "A": "₹4",
        "B": "₹2",
        "C": "₹1",
        "D": "₹3"
      },
      "correct_answer": "C"
    },
    {
      "question_id": 37,
      "question": "A sticker costs ₹1. Which coin can pay exactly ₹1?",
      "options": {
        "A": "₹1 coin",
        "B": "₹2 coin",
        "C": "₹5 coin",
        "D": "₹10 coin"
      },
      "correct_answer": "A",
      "id": 37,
      "difficulty": "medium"
    },
    {
      "id": 38,
      "difficulty": "medium",
      "question": "A pen costs ₹2. You have ₹1+₹1+₹1. Can you buy it?",
      "options": {
        "A": "No",
        "B": "Yes",
        "C": "Maybe",
        "D": "Only sometimes"
      },
      "correct_answer": "B"
    },
    {
      "id": 39,
      "difficulty": "medium",
      "question": "A toy costs ₹4. You have a ₹5 coin. Change?",
      "options": {
        "A": "₹2",
        "B": "₹3",
        "C": "₹1",
        "D": "₹4"
      },
      "correct_answer": "C"
    },
    {
      "id": 40,
      "difficulty": "medium",
      "question": "A book costs ₹2. You give a ₹10 coin. Change?",
      "options": {
        "A": "₹6",
        "B": "₹9",
        "C": "₹8",
        "D": "₹3"
      },
      "correct_answer": "C"
    },
    {
      "id": 41,
      "difficulty": "hard",
      "question": "A toy costs ₹7. You give ₹10. How much change should you get?",
      "options": {
        "A": "₹5",
        "B": "₹2",
        "C": "₹3",
        "D": "₹4"
      },
      "correct_answer": "C"
    },
    {
      "id": 42,
      "difficulty": "hard",
      "question": "A ball costs ₹6. You give ₹5. Can you buy it?",
      "options": {
        "A": "Yes",
        "B": "No",
        "C": "Maybe",
        "D": "Only sometimes"
      },
      "correct_answer": "B"
    },
    {
      "id": 43,
      "difficulty": "hard",
      "question": "A pen costs ₹4. You give ₹2+₹2. Change?",
      "options": {
        "A": "₹0",
        "B": "₹2",
        "C": "₹1",
        "D": "₹5"
      },
      "correct_answer": "A"
    },
    {
      "id": 44,
      "difficulty": "hard",
      "question": "A book costs ₹9. You give ₹10. Change?",
      "options": {
        "A": "₹1",
        "B": "₹3",
        "C": "₹5",
        "D": "₹2"
      },
      "correct_answer": "A"
    },
    {
      "id": 45,
      "difficulty": "hard",
      "question": "A toy costs ₹8. Which coins can pay exactly?",
      "options": {
        "A": "₹5+₹2+₹1",
        "B": "₹10",
        "C": "₹2+₹2+₹2",
        "D": "₹5+₹5"
      },
      "correct_answer": "A"
    },
    {
      "id": 46,
      "difficulty": "hard",
      "question": "An eraser costs ₹3. You have ₹1+₹1+₹1+₹1. What is extra?",
      "options": {
        "A": "₹0",
        "B": "₹2",
        "C": "₹1",
        "D": "₹3"
      },
      "correct_answer": "C"
    },
    {
      "id": 47,
      "difficulty": "hard",
      "question": "A marker costs ₹10. Which set pays exactly?",
      "options": {
        "A": "₹5+₹5",
        "B": "₹2+₹2",
        "C": "₹10+₹5",
        "D": "₹1+₹1+₹1"
      },
      "correct_answer": "A"
    },
    {
      "id": 48,
      "difficulty": "hard",
      "question": "A toy costs ₹6. You give ₹10. Change?",
      "options": {
        "A": "₹4",
        "B": "₹3",
        "C": "₹2",
        "D": "₹1"
      },
      "correct_answer": "A"
    },
    {
      "id": 49,
      "difficulty": "hard",
      "question": "A ball costs ₹3. Which coins pay exactly?",
      "options": {
        "A": "₹1+₹2",
        "B": "₹5+₹1",
        "C": "₹2+₹2",
        "D": "₹10"
      },
      "correct_answer": "A"
    },
    {
      "id": 50,
      "difficulty": "hard",
      "question": "A sticker pack costs ₹5. You give ₹2+₹2+₹2. Change?",
      "options": {
        "A": "₹1",
        "B": "₹2",
        "C": "₹3",
        "D": "₹4"
      },
      "correct_answer": "A"
    },
    {
      "id": 51,
      "difficulty": "hard",
      "question": "A pen costs ₹7. Which cannot be used to pay?",
      "options": {
        "A": "₹5+₹2",
        "B": "₹10",
        "C": "₹2+₹2+₹2+₹1",
        "D": "₹1+₹1+₹5"
      },
      "correct_answer": "B"
    },
    {
      "id": 52,
      "difficulty": "hard",
      "question": "A toy costs ₹4. You give ₹5. Change?",
      "options": {
        "A": "₹2",
        "B": "₹3",
        "C": "₹1",
        "D": "₹4"
      },
      "correct_answer": "C"
    },
    {
      "id": 53,
      "difficulty": "hard",
      "question": "A game card costs ₹8. Which pair pays exactly?",
      "options": {
        "A": "₹5+₹1",
        "B": "₹5+₹2+₹1",
        "C": "₹2+₹2+₹2+₹2",
        "D": "₹10"
      },
      "correct_answer": "C"
    },
    {
      "id": 54,
      "difficulty": "hard",
      "question": "A toy costs ₹9. You give ₹5+₹2+₹2. Change?",
      "options": {
        "A": "₹1",
        "B": "₹0",
        "C": "₹2",
        "D": "₹3"
      },
      "correct_answer": "B"
    },
    {
      "id": 55,
      "difficulty": "hard",
      "question": "A book costs ₹6. Which two coins can pay exactly?",
      "options": {
        "A": "₹2+₹2",
        "B": "₹5+₹1",
        "C": "₹10",
        "D": "₹1+₹1+₹1+₹1"
      },
      "correct_answer": "B"
    },
    {
      "id": 56,
      "difficulty": "hard",
      "question": "A toy costs ₹3. You only have ₹5. How much change?",
      "options": {
        "A": "₹1",
        "B": "₹2",
        "C": "₹3",
        "D": "₹4"
      },
      "correct_answer": "B"
    },
    {
      "id": 57,
      "difficulty": "hard",
      "question": "A puzzle costs ₹10. Which cannot buy it?",
      "options": {
        "A": "₹10 coin",
        "B": "₹5+₹5",
        "C": "₹2+₹2+₹2+₹2+₹2",
        "D": "₹5"
      },
      "correct_answer": "D"
    },
    {
      "id": 58,
      "difficulty": "hard",
      "question": "A ball costs ₹8. You give ₹10. How much back?",
      "options": {
        "A": "₹1",
        "B": "₹2",
        "C": "₹3",
        "D": "₹4"
      },
      "correct_answer": "B"
    },
    {
      "id": 59,
      "difficulty": "hard",
      "question": "A storybook costs ₹5. You give ₹2+₹1+₹1+₹1. Enough?",
      "options": {
        "A": "Yes",
        "B": "No",
        "C": "Maybe",
        "D": "Only sometimes"
      },
      "correct_answer": "A"
    },
    {
      "id": 60,
      "difficulty": "hard",
      "question": "A toy car costs ₹9. You give ₹10. Change?",
      "options": {
        "A": "₹1",
        "B": "₹4",
        "C": "₹2",
        "D": "₹3"
      },
      "correct_answer": "A"
    }
  ]
}