{
  "title": "Simple Buying and Selling - Grade 1 CBSE",
  "total_questions": 100,
  "questions": [
    {
      "id": 1,
      "difficulty": "easy",
      "question": "A pencil costs ₹2. You give ₹5. How much change do you get?",
      "options": {"A": "₹3", "B": "₹2", "C": "₹1", "D": "₹4"},
      "correct_answer": "A"
    },
    {
      "id": 2,
      "difficulty": "easy",
      "question": "A balloon costs ₹3. You have ₹3. Can you buy it?",
      "options": {"A": "No", "B": "Yes", "C": "Maybe", "D": "Not sure"},
      "correct_answer": "B"
    },
    {
      "id": 3,
      "difficulty": "easy",
      "question": "An eraser costs ₹4. You give ₹10. How much money comes back?",
      "options": {"A": "₹5", "B": "₹4", "C": "₹6", "D": "₹3"},
      "correct_answer": "C"
    },
    {
      "id": 4,
      "difficulty": "easy",
      "question": "A toy car costs ₹7. You give ₹10. What is the change?",
      "options": {"A": "₹1", "B": "₹5", "C": "₹4", "D": "₹3"},
      "correct_answer": "D"
    },
    {
      "id": 5,
      "difficulty": "easy",
      "question": "A candy costs ₹2. You have ₹5. How much money will be left?",
      "options": {"A": "₹3", "B": "₹2", "C": "₹4", "D": "₹1"},
      "correct_answer": "A"
    },
    {
      "id": 6,
      "difficulty": "easy",
      "question": "A ball costs ₹6. You give ₹10. How much change?",
      "options": {"A": "₹3", "B": "₹4", "C": "₹5", "D": "₹2"},
      "correct_answer": "B"
    },
    {
      "id": 7,
      "difficulty": "easy",
      "question": "An apple costs ₹4. A banana costs ₹3. Total cost?",
      "options": {"A": "₹6", "B": "₹8", "C": "₹7", "D": "₹9"},
      "correct_answer": "C"
    },
  {
  "id": 8,
  "difficulty": "easy",
  "question": "A sharpener costs ₹5. You give ₹10. What is the change?",
  "options": {"A": "₹6", "B": "₹5", "C": "₹4", "D": "₹3"},
  "correct_answer": "B"
}
,
  {
  "id": 9,
  "difficulty": "easy",
  "question": "A toy costs ₹8. You have ₹10. Money left?",
  "options": {"A": "₹1", "B": "₹2", "C": "₹3", "D": "₹0"},
  "correct_answer": "B"
}
,
    {
      "id": 10,
      "difficulty": "easy",
      "question": "A drink costs ₹9. You give ₹10. Change?",
      "options": {"A": "₹0", "B": "₹1", "C": "₹2", "D": "₹3"},
      "correct_answer": "B"
    },
    {
      "id": 11,
      "difficulty": "easy",
      "question": "A crayon pack costs ₹6. You give ₹10. Change back?",
      "options": {"A": "₹5", "B": "₹3", "C": "₹4", "D": "₹6"},
      "correct_answer": "C"
    },
{
  "id": 12,
  "difficulty": "easy",
  "question": "A sticker costs ₹3. A pen costs ₹5. Total?",
  "options": {"A": "₹9", "B": "₹7", "C": "₹8", "D": "₹6"},
  "correct_answer": "C"
}
,
{
  "id": 13,
  "difficulty": "easy",
  "question": "A balloon costs ₹4. You have ₹6. Money left?",
  "options": {"A": "₹1", "B": "₹2", "C": "₹3", "D": "₹4"},
  "correct_answer": "B"
}
,
    {
      "id": 14,
      "difficulty": "easy",
      "question": "A small toy costs ₹5. You give ₹10. Change?",
      "options": {"A": "₹6", "B": "₹4", "C": "₹5", "D": "₹3"},
      "correct_answer": "B"
    },
    {
      "id": 15,
      "difficulty": "easy",
      "question": "A cupcake costs ₹7. You give ₹10. Change?",
      "options": {"A": "₹1", "B": "₹2", "C": "₹3", "D": "₹4"},
      "correct_answer": "C"
    },
    {
      "id": 16,
      "difficulty": "easy",
      "question": "A mango costs ₹9. You give ₹10. How much money comes back?",
      "options": {"A": "₹0", "B": "₹2", "C": "₹3", "D": "₹1"},
      "correct_answer": "D"
    },
{
  "id": 17,
  "difficulty": "easy",
  "question": "A chocolate costs ₹5. You have ₹10. Money left after buying 1?",
  "options": {"A": "₹4", "B": "₹5", "C": "₹3", "D": "₹2"},
  "correct_answer": "B"
}
,
    {
      "id": 18,
      "difficulty": "easy",
      "question": "A book costs ₹8. You give ₹10. Change?",
      "options": {"A": "₹1", "B": "₹2", "C": "₹3", "D": "₹0"},
      "correct_answer": "B"
    },
{
  "id": 19,
  "difficulty": "easy",
  "question": "A pen costs ₹6. You have ₹10. Money left?",
  "options": {"A": "₹5", "B": "₹4", "C": "₹3", "D": "₹2"},
  "correct_answer": "B"
}
,
    {
      "id": 20,
      "difficulty": "easy",
      "question": "A toy costs ₹4. A ball costs ₹5. Total cost?",
      "options": {"A": "₹10", "B": "₹8", "C": "₹9", "D": "₹7"},
      "correct_answer": "D"
    },
       {
      "id": 21,
      "difficulty": "medium",
      "question": "A toy costs ₹12 and a book costs ₹8. What is the total cost?",
      "options": {"A": "₹20", "B": "₹18", "C": "₹22", "D": "₹15"},
      "correct_answer": "A"
    },
    {
      "id": 22,
      "difficulty": "medium",
      "question": "You have ₹25. A water bottle costs ₹18. How much money is left?",
      "options": {"A": "₹5", "B": "₹7", "C": "₹6", "D": "₹8"},
      "correct_answer": "B"
    },
    {
      "id": 23,
      "difficulty": "medium",
      "question": "A lunch box costs ₹30. You give ₹50. How much change do you get?",
      "options": {"A": "₹25", "B": "₹15", "C": "₹20", "D": "₹30"},
      "correct_answer": "C"
    },
    {
      "id": 24,
      "difficulty": "medium",
      "question": "You buy 2 chocolates at ₹7 each. What is the total cost?",
      "options": {"A": "₹12", "B": "₹10", "C": "₹16", "D": "₹14"},
      "correct_answer": "D"
    },
    {
      "id": 25,
      "difficulty": "medium",
      "question": "A notebook costs ₹15. You give ₹20. What is the change?",
      "options": {"A": "₹5", "B": "₹4", "C": "₹6", "D": "₹3"},
      "correct_answer": "A"
    },
    {
      "id": 26,
      "difficulty": "medium",
      "question": "A pencil box costs ₹22. You have ₹30. How much money remains?",
      "options": {"A": "₹10", "B": "₹8", "C": "₹7", "D": "₹6"},
      "correct_answer": "B"
    },
    {
      "id": 27,
      "difficulty": "medium",
      "question": "You buy 3 biscuits at ₹5 each. What is the total cost?",
      "options": {"A": "₹10", "B": "₹12", "C": "₹15", "D": "₹18"},
      "correct_answer": "C"
    },
    {
      "id": 28,
      "difficulty": "medium",
      "question": "A tiffin costs ₹18. You give ₹20. Change?",
      "options": {"A": "₹1", "B": "₹3", "C": "₹0", "D": "₹2"},
      "correct_answer": "D"
    },
    {
      "id": 29,
      "difficulty": "medium",
      "question": "A storybook costs ₹28. You have ₹35. Money left?",
      "options": {"A": "₹7", "B": "₹5", "C": "₹8", "D": "₹10"},
      "correct_answer": "A"
    },
    {
      "id": 30,
      "difficulty": "medium",
      "question": "You buy 4 candies at ₹3 each. Total cost?",
      "options": {"A": "₹10", "B": "₹12", "C": "₹15", "D": "₹8"},
      "correct_answer": "B"
    },
    {
      "id": 31,
      "difficulty": "medium",
      "question": "A toy train costs ₹40. You give ₹50. How much change?",
      "options": {"A": "₹15", "B": "₹8", "C": "₹10", "D": "₹12"},
      "correct_answer": "C"
    },
    {
      "id": 32,
      "difficulty": "medium",
      "question": "You buy 2 books costing ₹12 each. Total cost?",
      "options": {"A": "₹20", "B": "₹22", "C": "₹30", "D": "₹24"},
      "correct_answer": "D"
    },
    {
      "id": 33,
      "difficulty": "medium",
      "question": "A bag costs ₹45. You give ₹50. Change?",
      "options": {"A": "₹5", "B": "₹3", "C": "₹4", "D": "₹7"},
      "correct_answer": "A"
    },
    {
      "id": 34,
      "difficulty": "medium",
      "question": "A snack costs ₹28. You have ₹30. How much is left?",
      "options": {"A": "₹1", "B": "₹2", "C": "₹3", "D": "₹4"},
      "correct_answer": "B"
    },
    {
      "id": 35,
      "difficulty": "medium",
      "question": "You buy 5 balloons at ₹4 each. Total cost?",
      "options": {"A": "₹10", "B": "₹15", "C": "₹20", "D": "₹25"},
      "correct_answer": "C"
    },
    {
      "id": 36,
      "difficulty": "medium",
      "question": "A gift box costs ₹38. You give ₹40. Change?",
      "options": {"A": "₹3", "B": "₹1", "C": "₹0", "D": "₹2"},
      "correct_answer": "D"
    },
    {
      "id": 37,
      "difficulty": "medium",
      "question": "You buy crayons for ₹16 and a sharpener for ₹4. Total cost?",
      "options": {"A": "₹20", "B": "₹18", "C": "₹19", "D": "₹22"},
      "correct_answer": "A"
    },
    {
      "id": 38,
      "difficulty": "medium",
      "question": "A t-shirt costs ₹55. You give ₹60. Change?",
      "options": {"A": "₹3", "B": "₹5", "C": "₹4", "D": "₹2"},
      "correct_answer": "B"
    },
    {
      "id": 39,
      "difficulty": "medium",
      "question": "You buy 3 toys costing ₹12 each. Total amount?",
      "options": {"A": "₹30", "B": "₹35", "C": "₹36", "D": "₹32"},
      "correct_answer": "C"
    },
    {
      "id": 40,
      "difficulty": "medium",
      "question": "A water bottle costs ₹48. You give ₹50. Change?",
      "options": {"A": "₹1", "B": "₹4", "C": "₹3", "D": "₹2"},
      "correct_answer": "D"
    },
        {
      "id": 41,
      "difficulty": "hard",
      "question": "You buy 3 toys costing ₹15 each. What is the total cost?",
      "options": {"A": "₹45", "B": "₹40", "C": "₹30", "D": "₹50"},
      "correct_answer": "A"
    },
    {
      "id": 42,
      "difficulty": "hard",
      "question": "A lunch costs ₹38. You give ₹50. How much change?",
      "options": {"A": "₹10", "B": "₹12", "C": "₹8", "D": "₹14"},
      "correct_answer": "B"
    },
    {
      "id": 43,
      "difficulty": "hard",
      "question": "You buy items of ₹22, ₹18, and ₹15. What is the total?",
      "options": {"A": "₹60", "B": "₹58", "C": "₹55", "D": "₹52"},
      "correct_answer": "C"
    },
    {
      "id": 44,
      "difficulty": "hard",
      "question": "A toy costs ₹47. You give ₹60. Change?",
      "options": {"A": "₹12", "B": "₹15", "C": "₹10", "D": "₹13"},
      "correct_answer": "D"
    },
    {
      "id": 45,
      "difficulty": "hard",
      "question": "You buy 4 chocolates at ₹11 each. Total cost?",
      "options": {"A": "₹44", "B": "₹40", "C": "₹45", "D": "₹48"},
      "correct_answer": "A"
    },
    {
      "id": 46,
      "difficulty": "hard",
      "question": "A book costs ₹52. You have ₹60. Money left?",
      "options": {"A": "₹10", "B": "₹8", "C": "₹7", "D": "₹6"},
      "correct_answer": "B"
    },
{
  "id": 47,
  "difficulty": "hard",
  "question": "You buy 5 pencils at ₹9 each. Total cost?",
  "options": {"A": "₹40", "B": "₹45", "C": "₹30", "D": "₹25"},
  "correct_answer": "B"
}
,
    {
      "id": 48,
      "difficulty": "hard",
      "question": "A school bag costs ₹78. You give ₹100. Change?",
      "options": {"A": "₹25", "B": "₹20", "C": "₹18", "D": "₹22"},
      "correct_answer": "D"
    },
    {
      "id": 49,
      "difficulty": "hard",
      "question": "Items cost ₹33 and ₹27. Total?",
      "options": {"A": "₹60", "B": "₹55", "C": "₹62", "D": "₹58"},
      "correct_answer": "A"
    },
    {
      "id": 50,
      "difficulty": "hard",
      "question": "A toy train costs ₹49. You give ₹60. How much change?",
      "options": {"A": "₹9", "B": "₹11", "C": "₹8", "D": "₹10"},
      "correct_answer": "B"
    },
    {
      "id": 51,
      "difficulty": "hard",
      "question": "You buy 3 notebooks at ₹12 each. Total cost?",
      "options": {"A": "₹30", "B": "₹35", "C": "₹36", "D": "₹32"},
      "correct_answer": "C"
    },
    {
      "id": 52,
      "difficulty": "hard",
      "question": "A lunchbox costs ₹58. You give ₹70. Change?",
      "options": {"A": "₹11", "B": "₹10", "C": "₹9", "D": "₹12"},
      "correct_answer": "D"
    },
    {
      "id": 53,
      "difficulty": "hard",
      "question": "Two toys cost ₹28 and ₹35. Total?",
      "options": {"A": "₹63", "B": "₹60", "C": "₹55", "D": "₹58"},
      "correct_answer": "A"
    },
    {
      "id": 54,
      "difficulty": "hard",
      "question": "You have ₹95. A game costs ₹78. Money left?",
      "options": {"A": "₹20", "B": "₹17", "C": "₹15", "D": "₹18"},
      "correct_answer": "B"
    },
    {
      "id": 55,
      "difficulty": "hard",
      "question": "Buy 6 candies at ₹5 each. Total cost?",
      "options": {"A": "₹20", "B": "₹28", "C": "₹30", "D": "₹25"},
      "correct_answer": "C"
    },
    {
      "id": 56,
      "difficulty": "hard",
      "question": "A cricket bat costs ₹88. You give ₹100. Change?",
      "options": {"A": "₹14", "B": "₹10", "C": "₹11", "D": "₹12"},
      "correct_answer": "D"
    },
    {
      "id": 57,
      "difficulty": "hard",
      "question": "You buy 2 shirts at ₹42 each. Total?",
      "options": {"A": "₹84", "B": "₹80", "C": "₹90", "D": "₹82"},
      "correct_answer": "A"
    },
    {
      "id": 58,
      "difficulty": "hard",
      "question": "You have ₹120. A toy robot costs ₹95. Money left?",
      "options": {"A": "₹30", "B": "₹25", "C": "₹20", "D": "₹22"},
      "correct_answer": "B"
    },
    {
      "id": 59,
      "difficulty": "hard",
      "question": "A football costs ₹63. You give ₹70. Change?",
      "options": {"A": "₹8", "B": "₹6", "C": "₹7", "D": "₹5"},
      "correct_answer": "C"
    },
    {
      "id": 60,
      "difficulty": "hard",
      "question": "You buy 4 chocolates at ₹14 each. Total cost?",
      "options": {"A": "₹52", "B": "₹48", "C": "₹60", "D": "₹56"},
      "correct_answer": "D"
    }
  ]
}