{
  "title": "Addition_of_integers_on_number_line (Integers)",
  "total_questions": 150,
  "questions": [


    {"id": 1, "difficulty": "easy", "question": "What is 3 + 2 on the number line?", "options": {"A": "5", "B": "4", "C": "6", "D": "3"}, "correct_answer": "A"},
    {"id": 2, "difficulty": "easy", "question": "What is 1 + 4 on the number line?", "options": {"A": "6", "B": "5", "C": "4", "D": "3"}, "correct_answer": "B"},
    {"id": 3, "difficulty": "easy", "question": "What is 2 + 3 on the number line?", "options": {"A": "6", "B": "4", "C": "5", "D": "3"}, "correct_answer": "C"},
    {"id": 4, "difficulty": "easy", "question": "What is 4 + 1 on the number line?", "options": {"A": "6", "B": "4", "C": "5", "D": "3"}, "correct_answer": "D"},

    {"id": 5, "difficulty": "easy", "question": "What is 5 + 2 on the number line?", "options": {"A": "7", "B": "6", "C": "8", "D": "5"}, "correct_answer": "A"},
    {"id": 6, "difficulty": "easy", "question": "What is 6 + 3 on the number line?", "options": {"A": "9", "B": "8", "C": "7", "D": "6"}, "correct_answer": "B"},
    {"id": 7, "difficulty": "easy", "question": "What is 7 + 2 on the number line?", "options": {"A": "10", "B": "9", "C": "8", "D": "7"}, "correct_answer": "C"},
    {"id": 8, "difficulty": "easy", "question": "What is 8 + 1 on the number line?", "options": {"A": "10", "B": "8", "C": "9", "D": "7"}, "correct_answer": "D"},

    {"id": 9, "difficulty": "easy", "question": "What is -1 + 3 on the number line?", "options": {"A": "2", "B": "1", "C": "3", "D": "0"}, "correct_answer": "A"},
    {"id": 10, "difficulty": "easy", "question": "What is -2 + 4 on the number line?", "options": {"A": "3", "B": "2", "C": "4", "D": "1"}, "correct_answer": "B"},
    {"id": 11, "difficulty": "easy", "question": "What is -3 + 5 on the number line?", "options": {"A": "4", "B": "3", "C": "2", "D": "1"}, "correct_answer": "C"},
    {"id": 12, "difficulty": "easy", "question": "What is -4 + 6 on the number line?", "options": {"A": "3", "B": "2", "C": "1", "D": "0"}, "correct_answer": "D"},

    {"id": 13, "difficulty": "easy", "question": "What is -5 + 3?", "options": {"A": "-2", "B": "-3", "C": "-1", "D": "-4"}, "correct_answer": "A"},
    {"id": 14, "difficulty": "easy", "question": "What is -6 + 4?", "options": {"A": "-1", "B": "-2", "C": "0", "D": "-3"}, "correct_answer": "B"},
    {"id": 15, "difficulty": "easy", "question": "What is -7 + 5?", "options": {"A": "-1", "B": "-2", "C": "-3", "D": "-4"}, "correct_answer": "C"},
    {"id": 16, "difficulty": "easy", "question": "What is -8 + 6?", "options": {"A": "-1", "B": "-2", "C": "-3", "D": "-4"}, "correct_answer": "D"},

    {"id": 17, "difficulty": "easy", "question": "What is 0 + 5?", "options": {"A": "5", "B": "4", "C": "6", "D": "3"}, "correct_answer": "A"},
    {"id": 18, "difficulty": "easy", "question": "What is 1 + 6?", "options": {"A": "8", "B": "7", "C": "6", "D": "9"}, "correct_answer": "B"},
    {"id": 19, "difficulty": "easy", "question": "What is 2 + 7?", "options": {"A": "10", "B": "8", "C": "9", "D": "7"}, "correct_answer": "C"},
    {"id": 20, "difficulty": "easy", "question": "What is 3 + 8?", "options": {"A": "12", "B": "10", "C": "11", "D": "9"}, "correct_answer": "D"},


    {"id": 21, "difficulty": "medium", "question": "What is -3 + (-2)?", "options": {"A": "-5", "B": "-4", "C": "-3", "D": "-1"}, "correct_answer": "A"},
    {"id": 22, "difficulty": "medium", "question": "What is -4 + (-1)?", "options": {"A": "-6", "B": "-5", "C": "-4", "D": "-3"}, "correct_answer": "B"},
    {"id": 23, "difficulty": "medium", "question": "What is -5 + (-3)?", "options": {"A": "-9", "B": "-7", "C": "-8", "D": "-6"}, "correct_answer": "C"},
    {"id": 24, "difficulty": "medium", "question": "What is -6 + (-2)?", "options": {"A": "-9", "B": "-7", "C": "-8", "D": "-6"}, "correct_answer": "D"},

    {"id": 25, "difficulty": "medium", "question": "What is -2 + 7?", "options": {"A": "5", "B": "4", "C": "6", "D": "3"}, "correct_answer": "A"},
    {"id": 26, "difficulty": "medium", "question": "What is -3 + 8?", "options": {"A": "6", "B": "5", "C": "4", "D": "7"}, "correct_answer": "B"},
    {"id": 27, "difficulty": "medium", "question": "What is -4 + 9?", "options": {"A": "3", "B": "5", "C": "4", "D": "6"}, "correct_answer": "C"},
    {"id": 28, "difficulty": "medium", "question": "What is -5 + 10?", "options": {"A": "6", "B": "5", "C": "4", "D": "3"}, "correct_answer": "D"},

    {"id": 29, "difficulty": "medium", "question": "What is 7 + (-3)?", "options": {"A": "4", "B": "5", "C": "3", "D": "2"}, "correct_answer": "A"},
    {"id": 30, "difficulty": "medium", "question": "What is 8 + (-4)?", "options": {"A": "3", "B": "4", "C": "5", "D": "2"}, "correct_answer": "B"},
    {"id": 31, "difficulty": "medium", "question": "What is 9 + (-5)?", "options": {"A": "5", "B": "3", "C": "4", "D": "2"}, "correct_answer": "C"},
    {"id": 32, "difficulty": "medium", "question": "What is 10 + (-6)?", "options": {"A": "3", "B": "4", "C": "2", "D": "5"}, "correct_answer": "D"},

    {"id": 33, "difficulty": "medium", "question": "What is -10 + 4?", "options": {"A": "-6", "B": "-5", "C": "-4", "D": "-3"}, "correct_answer": "A"},
    {"id": 34, "difficulty": "medium", "question": "What is -9 + 3?", "options": {"A": "-5", "B": "-6", "C": "-7", "D": "-8"}, "correct_answer": "B"},
    {"id": 35, "difficulty": "medium", "question": "What is -8 + 2?", "options": {"A": "-6", "B": "-4", "C": "-5", "D": "-7"}, "correct_answer": "C"},
    {"id": 36, "difficulty": "medium", "question": "What is -7 + 1?", "options": {"A": "-7", "B": "-5", "C": "-6", "D": "-8"}, "correct_answer": "D"},

    {"id": 37, "difficulty": "medium", "question": "What is 12 + (-7)?", "options": {"A": "5", "B": "4", "C": "6", "D": "3"}, "correct_answer": "A"},
    {"id": 38, "difficulty": "medium", "question": "What is 14 + (-6)?", "options": {"A": "9", "B": "8", "C": "7", "D": "6"}, "correct_answer": "B"},
    {"id": 39, "difficulty": "medium", "question": "What is 15 + (-9)?", "options": {"A": "7", "B": "5", "C": "6", "D": "4"}, "correct_answer": "C"},
    {"id": 40, "difficulty": "medium", "question": "What is 18 + (-7)?", "options": {"A": "11", "B": "10", "C": "9", "D": "12"}, "correct_answer": "D"},

    {"id": 41, "difficulty": "hard", "question": "What is -12 + (-15)?", "options": {"A": "-27", "B": "-25", "C": "-28", "D": "-26"}, "correct_answer": "A"},
    {"id": 42, "difficulty": "hard", "question": "What is -18 + (-7)?", "options": {"A": "-24", "B": "-25", "C": "-26", "D": "-27"}, "correct_answer": "B"},
    {"id": 43, "difficulty": "hard", "question": "What is -20 + (-5)?", "options": {"A": "-24", "B": "-25", "C": "-26", "D": "-27"}, "correct_answer": "C"},
    {"id": 44, "difficulty": "hard", "question": "What is -22 + (-3)?", "options": {"A": "-26", "B": "-24", "C": "-25", "D": "-23"}, "correct_answer": "D"},

    {"id": 45, "difficulty": "hard", "question": "What is 15 + (-19)?", "options": {"A": "-4", "B": "-3", "C": "-5", "D": "-6"}, "correct_answer": "A"},
    {"id": 46, "difficulty": "hard", "question": "What is 18 + (-21)?", "options": {"A": "-3", "B": "-2", "C": "-4", "D": "-5"}, "correct_answer": "B"},
    {"id": 47, "difficulty": "hard", "question": "What is 20 + (-24)?", "options": {"A": "-5", "B": "-3", "C": "-4", "D": "-6"}, "correct_answer": "C"},
    {"id": 48, "difficulty": "hard", "question": "What is 25 + (-30)?", "options": {"A": "-4", "B": "-3", "C": "-5", "D": "-6"}, "correct_answer": "D"},

    {"id": 49, "difficulty": "hard", "question": "What is -30 + 18?", "options": {"A": "-12", "B": "-11", "C": "-13", "D": "-14"}, "correct_answer": "A"},
    {"id": 50, "difficulty": "hard", "question": "What is -28 + 12?", "options": {"A": "-16", "B": "-15", "C": "-14", "D": "-17"}, "correct_answer": "B"},
    {"id": 51, "difficulty": "hard", "question": "What is -25 + 10?", "options": {"A": "-12", "B": "-13", "C": "-14", "D": "-15"}, "correct_answer": "C"},
    {"id": 52, "difficulty": "hard", "question": "What is -22 + 6?", "options": {"A": "-18", "B": "-15", "C": "-16", "D": "-17"}, "correct_answer": "D"},

    {"id": 53, "difficulty": "hard", "question": "What is 30 + (-18)?", "options": {"A": "12", "B": "11", "C": "13", "D": "10"}, "correct_answer": "A"},
    {"id": 54, "difficulty": "hard", "question": "What is 28 + (-15)?", "options": {"A": "14", "B": "13", "C": "12", "D": "11"}, "correct_answer": "B"},
    {"id": 55, "difficulty": "hard", "question": "What is 25 + (-12)?", "options": {"A": "15", "B": "13", "C": "14", "D": "12"}, "correct_answer": "C"},
    {"id": 56, "difficulty": "hard", "question": "What is 22 + (-11)?", "options": {"A": "9", "B": "10", "C": "11", "D": "12"}, "correct_answer": "D"},

    {"id": 57, "difficulty": "hard", "question": "What is -40 + (-20)?", "options": {"A": "-60", "B": "-59", "C": "-58", "D": "-57"}, "correct_answer": "A"},
    {"id": 58, "difficulty": "hard", "question": "What is -35 + (-15)?", "options": {"A": "-51", "B": "-50", "C": "-49", "D": "-48"}, "correct_answer": "B"},
    {"id": 59, "difficulty": "hard", "question": "What is -32 + (-14)?", "options": {"A": "-45", "B": "-46", "C": "-47", "D": "-48"}, "correct_answer": "C"},
    {"id": 60, "difficulty": "hard", "question": "What is -28 + (-12)?", "options": {"A": "-38", "B": "-39", "C": "-40", "D": "-41"}, "correct_answer": "D"}
 ,
{"id":61,"difficulty":"easy","question":"What is 4 + 3 on the number line?","options":{"A":"6","B":"7","C":"8","D":"5"},"correct_answer":"B"},
  {"id":62,"difficulty":"easy","question":"What is 6 + 2 on the number line?","options":{"A":"7","B":"6","C":"8","D":"9"},"correct_answer":"C"},
  {"id":63,"difficulty":"easy","question":"What is 9 + 1 on the number line?","options":{"A":"11","B":"9","C":"8","D":"10"},"correct_answer":"D"},
  {"id":64,"difficulty":"easy","question":"What is 2 + 6 on the number line?","options":{"A":"8","B":"9","C":"7","D":"6"},"correct_answer":"A"},
  {"id":65,"difficulty":"easy","question":"What is 5 + 4 on the number line?","options":{"A":"8","B":"9","C":"10","D":"7"},"correct_answer":"B"},
  {"id":66,"difficulty":"easy","question":"What is 7 + 3 on the number line?","options":{"A":"9","B":"11","C":"10","D":"8"},"correct_answer":"C"},
  {"id":67,"difficulty":"easy","question":"What is 8 + 2 on the number line?","options":{"A":"11","B":"9","C":"8","D":"10"},"correct_answer":"D"},
  {"id":68,"difficulty":"easy","question":"What is 1 + 9 on the number line?","options":{"A":"10","B":"11","C":"9","D":"8"},"correct_answer":"A"},
  {"id":69,"difficulty":"easy","question":"What is 3 + 6 on the number line?","options":{"A":"8","B":"9","C":"10","D":"7"},"correct_answer":"B"},
  {"id":70,"difficulty":"easy","question":"What is 4 + 5 on the number line?","options":{"A":"10","B":"8","C":"9","D":"7"},"correct_answer":"C"},
  {"id":71,"difficulty":"easy","question":"What is -1 + 4 on the number line?","options":{"A":"2","B":"4","C":"1","D":"3"},"correct_answer":"D"},
  {"id":72,"difficulty":"easy","question":"What is -2 + 5 on the number line?","options":{"A":"3","B":"2","C":"4","D":"1"},"correct_answer":"A"},
  {"id":73,"difficulty":"easy","question":"What is -3 + 6 on the number line?","options":{"A":"4","B":"3","C":"2","D":"5"},"correct_answer":"B"},
  {"id":74,"difficulty":"easy","question":"What is -4 + 7 on the number line?","options":{"A":"2","B":"4","C":"3","D":"5"},"correct_answer":"C"},
  {"id":75,"difficulty":"easy","question":"What is -5 + 8 on the number line?","options":{"A":"4","B":"2","C":"1","D":"3"},"correct_answer":"D"},
  {"id":76,"difficulty":"easy","question":"What is 0 + 7 on the number line?","options":{"A":"7","B":"6","C":"8","D":"5"},"correct_answer":"A"},
  {"id":77,"difficulty":"easy","question":"What is 2 + 8 on the number line?","options":{"A":"9","B":"10","C":"11","D":"8"},"correct_answer":"B"},
  {"id":78,"difficulty":"easy","question":"What is 3 + 9 on the number line?","options":{"A":"11","B":"10","C":"12","D":"9"},"correct_answer":"C"},
  {"id":79,"difficulty":"easy","question":"What is 4 + 8 on the number line?","options":{"A":"11","B":"10","C":"9","D":"12"},"correct_answer":"D"},
  {"id":80,"difficulty":"easy","question":"What is 5 + 6 on the number line?","options":{"A":"11","B":"10","C":"12","D":"9"},"correct_answer":"A"},

  {"id":81,"difficulty":"medium","question":"What is -6 + (-4)?","options":{"A":"-9","B":"-10","C":"-11","D":"-8"},"correct_answer":"B"},
  {"id":82,"difficulty":"medium","question":"What is -7 + (-5)?","options":{"A":"-11","B":"-13","C":"-12","D":"-10"},"correct_answer":"C"},
  {"id":83,"difficulty":"medium","question":"What is -8 + (-6)?","options":{"A":"-15","B":"-13","C":"-12","D":"-14"},"correct_answer":"D"},
  {"id":84,"difficulty":"medium","question":"What is -9 + (-3)?","options":{"A":"-12","B":"-11","C":"-10","D":"-13"},"correct_answer":"A"},
  {"id":85,"difficulty":"medium","question":"What is -4 + 11?","options":{"A":"6","B":"7","C":"8","D":"5"},"correct_answer":"B"},
  {"id":86,"difficulty":"medium","question":"What is -6 + 14?","options":{"A":"7","B":"9","C":"8","D":"10"},"correct_answer":"C"},
  {"id":87,"difficulty":"medium","question":"What is -8 + 15?","options":{"A":"8","B":"6","C":"5","D":"7"},"correct_answer":"D"},
  {"id":88,"difficulty":"medium","question":"What is 13 + (-5)?","options":{"A":"8","B":"7","C":"9","D":"6"},"correct_answer":"A"},
  {"id":89,"difficulty":"medium","question":"What is 16 + (-9)?","options":{"A":"6","B":"7","C":"8","D":"5"},"correct_answer":"B"},
  {"id":90,"difficulty":"medium","question":"What is 20 + (-13)?","options":{"A":"6","B":"8","C":"7","D":"9"},"correct_answer":"C"},
  {"id":91,"difficulty":"medium","question":"What is -15 + 9?","options":{"A":"-5","B":"-7","C":"-4","D":"-6"},"correct_answer":"D"},
  {"id":92,"difficulty":"medium","question":"What is -18 + 11?","options":{"A":"-7","B":"-6","C":"-8","D":"-9"},"correct_answer":"A"},
  {"id":93,"difficulty":"medium","question":"What is -20 + 14?","options":{"A":"-5","B":"-6","C":"-7","D":"-8"},"correct_answer":"B"},
  {"id":94,"difficulty":"medium","question":"What is -25 + 18?","options":{"A":"-8","B":"-9","C":"-7","D":"-6"},"correct_answer":"C"},
  {"id":95,"difficulty":"medium","question":"What is 22 + (-15)?","options":{"A":"8","B":"6","C":"5","D":"7"},"correct_answer":"D"},
  {"id":96,"difficulty":"medium","question":"What is 30 + (-19)?","options":{"A":"11","B":"10","C":"12","D":"9"},"correct_answer":"A"},
  {"id":97,"difficulty":"medium","question":"What is 27 + (-14)?","options":{"A":"14","B":"13","C":"12","D":"15"},"correct_answer":"B"},
  {"id":98,"difficulty":"medium","question":"What is 19 + (-8)?","options":{"A":"12","B":"10","C":"11","D":"9"},"correct_answer":"C"},
  {"id":99,"difficulty":"medium","question":"What is 24 + (-17)?","options":{"A":"6","B":"8","C":"5","D":"7"},"correct_answer":"D"},
  {"id":100,"difficulty":"medium","question":"What is -12 + 20?","options":{"A":"8","B":"7","C":"9","D":"6"},"correct_answer":"A"},

  {"id":131,"difficulty":"hard","question":"What is -45 + (-35)?","options":{"A":"-70","B":"-80","C":"-75","D":"-85"},"correct_answer":"B"},
  {"id":132,"difficulty":"hard","question":"What is -60 + (-25)?","options":{"A":"-84","B":"-86","C":"-85","D":"-83"},"correct_answer":"C"},
  {"id":133,"difficulty":"hard","question":"What is -72 + (-18)?","options":{"A":"-91","B":"-89","C":"-88","D":"-90"},"correct_answer":"D"},
  {"id":134,"difficulty":"hard","question":"What is 45 + (-78)?","options":{"A":"-33","B":"-31","C":"-32","D":"-34"},"correct_answer":"A"},
  {"id":135,"difficulty":"hard","question":"What is 60 + (-95)?","options":{"A":"-36","B":"-35","C":"-34","D":"-33"},"correct_answer":"B"},
  {"id":136,"difficulty":"hard","question":"What is 72 + (-109)?","options":{"A":"-38","B":"-36","C":"-37","D":"-35"},"correct_answer":"C"},
  {"id":137,"difficulty":"hard","question":"What is -100 + 58?","options":{"A":"-41","B":"-43","C":"-44","D":"-42"},"correct_answer":"D"},
  {"id":138,"difficulty":"hard","question":"What is -85 + 47?","options":{"A":"-38","B":"-36","C":"-39","D":"-40"},"correct_answer":"A"},
  {"id":139,"difficulty":"hard","question":"What is -90 + 65?","options":{"A":"-24","B":"-25","C":"-26","D":"-27"},"correct_answer":"B"},
  {"id":140,"difficulty":"hard","question":"What is -120 + 78?","options":{"A":"-43","B":"-41","C":"-42","D":"-40"},"correct_answer":"C"},
  {"id":141,"difficulty":"hard","question":"What is 95 + (-143)?","options":{"A":"-49","B":"-47","C":"-50","D":"-48"},"correct_answer":"D"},
  {"id":142,"difficulty":"hard","question":"What is 110 + (-165)?","options":{"A":"-55","B":"-54","C":"-56","D":"-57"},"correct_answer":"A"},
  {"id":143,"difficulty":"hard","question":"What is -200 + 145?","options":{"A":"-56","B":"-55","C":"-54","D":"-53"},"correct_answer":"B"},
  {"id":144,"difficulty":"hard","question":"What is -175 + 120?","options":{"A":"-54","B":"-53","C":"-55","D":"-56"},"correct_answer":"C"},
  {"id":145,"difficulty":"hard","question":"What is -160 + 98?","options":{"A":"-63","B":"-61","C":"-60","D":"-62"},"correct_answer":"D"},
  {"id":146,"difficulty":"hard","question":"What is 200 + (-137)?","options":{"A":"63","B":"62","C":"61","D":"64"},"correct_answer":"A"},
  {"id":147,"difficulty":"hard","question":"What is 180 + (-129)?","options":{"A":"50","B":"51","C":"52","D":"49"},"correct_answer":"B"},
  {"id":148,"difficulty":"hard","question":"What is 150 + (-99)?","options":{"A":"52","B":"50","C":"51","D":"49"},"correct_answer":"C"},
  {"id":149,"difficulty":"hard","question":"What is 175 + (-123)?","options":{"A":"53","B":"51","C":"50","D":"52"},"correct_answer":"D"},
  {"id":150,"difficulty":"hard","question":"What is -250 + 175?","options":{"A":"-75","B":"-74","C":"-76","D":"-73"},"correct_answer":"A"}
 ]
}