{
  "title": "Multiplication of Integers - Grade 7 CBSE",
  "total_questions": 150,
  "questions": [


    {"id": 1, "difficulty": "easy", "question": "What is 5 × 3?", "options": {"A": "15", "B": "12", "C": "18", "D": "20"}, "correct_answer": "A"},
    {"id": 2, "difficulty": "easy", "question": "What is -4 × 2?", "options": {"A": "-6", "B": "-8", "C": "-10", "D": "-4"}, "correct_answer": "B"},
    {"id": 3, "difficulty": "easy", "question": "What is -3 × -5?", "options": {"A": "-10", "B": "-12", "C": "15", "D": "20"}, "correct_answer": "C"},
    {"id": 4, "difficulty": "easy", "question": "What is 7 × -2?", "options": {"A": "-10", "B": "-12", "C": "-14", "D": "-8"}, "correct_answer": "D"},
    {"id": 5, "difficulty": "easy", "question": "What is 10 × -4?", "options": {"A": "-40", "B": "-30", "C": "-20", "D": "-50"}, "correct_answer": "A"},
    {"id": 6, "difficulty": "easy", "question": "What is -7 × 3?", "options": {"A": "-18", "B": "-19", "C": "-21", "D": "-14"}, "correct_answer": "B"},
    {"id": 7, "difficulty": "easy", "question": "What is -2 × -9?", "options": {"A": "16", "B": "18", "C": "20", "D": "22"}, "correct_answer": "C"},
    {"id": 8, "difficulty": "easy", "question": "What is 6 × -3?", "options": {"A": "-12", "B": "-15", "C": "-18", "D": "-20"}, "correct_answer": "D"},
    {"id": 9, "difficulty": "easy", "question": "What is -1 × 9?", "options": {"A": "-9", "B": "-8", "C": "-7", "D": "-6"}, "correct_answer": "A"},
    {"id": 10, "difficulty": "easy", "question": "What is -8 × 5?", "options": {"A": "-30", "B": "-35", "C": "-40", "D": "-45"}, "correct_answer": "B"},
    {"id": 11, "difficulty": "easy", "question": "What is 12 × -6?", "options": {"A": "-48", "B": "-50", "C": "-60", "D": "-72"}, "correct_answer": "C"},
    {"id": 12, "difficulty": "easy", "question": "What is -10 × -3?", "options": {"A": "28", "B": "29", "C": "30", "D": "31"}, "correct_answer": "D"},
    {"id": 13, "difficulty": "easy", "question": "What is 3 × -7?", "options": {"A": "-21", "B": "-20", "C": "-22", "D": "-18"}, "correct_answer": "A"},
    {"id": 14, "difficulty": "easy", "question": "What is 4 × 9?", "options": {"A": "30", "B": "32", "C": "36", "D": "40"}, "correct_answer": "B"},
    {"id": 15, "difficulty": "easy", "question": "What is -6 × 2?", "options": {"A": "-10", "B": "-12", "C": "-14", "D": "-8"}, "correct_answer": "C"},
    {"id": 16, "difficulty": "easy", "question": "What is -4 × 10?", "options": {"A": "-50", "B": "-45", "C": "-40", "D": "-55"}, "correct_answer": "D"},
    {"id": 17, "difficulty": "easy", "question": "What is -9 × -1?", "options": {"A": "7", "B": "8", "C": "9", "D": "10"}, "correct_answer": "A"},
    {"id": 18, "difficulty": "easy", "question": "What is 15 × -5?", "options": {"A": "-60", "B": "-70", "C": "-75", "D": "-80"}, "correct_answer": "B"},
    {"id": 19, "difficulty": "easy", "question": "What is 20 × -7?", "options": {"A": "-120", "B": "-130", "C": "-140", "D": "-150"}, "correct_answer": "C"},
    {"id": 20, "difficulty": "easy", "question": "What is -12 × 8?", "options": {"A": "-80", "B": "-85", "C": "-90", "D": "-96"}, "correct_answer": "D"},

 
    {"id": 21, "difficulty": "medium", "question": "What is 15 × -9?", "options": {"A": "-135", "B": "-140", "C": "-145", "D": "-150"}, "correct_answer": "A"},
    {"id": 22, "difficulty": "medium", "question": "What is -14 × 12?", "options": {"A": "-150", "B": "-160", "C": "-168", "D": "-172"}, "correct_answer": "B"},
    {"id": 23, "difficulty": "medium", "question": "What is -11 × -7?", "options": {"A": "60", "B": "70", "C": "77", "D": "80"}, "correct_answer": "C"},
    {"id": 24, "difficulty": "medium", "question": "What is 22 × -13?", "options": {"A": "-250", "B": "-260", "C": "-270", "D": "-286"}, "correct_answer": "D"},
    {"id": 25, "difficulty": "medium", "question": "What is -25 × 9?", "options": {"A": "-225", "B": "-230", "C": "-235", "D": "-240"}, "correct_answer": "A"},
    {"id": 26, "difficulty": "medium", "question": "What is 30 × -12?", "options": {"A": "-200", "B": "-300", "C": "-360", "D": "-400"}, "correct_answer": "B"},
    {"id": 27, "difficulty": "medium", "question": "What is -18 × -5?", "options": {"A": "70", "B": "80", "C": "90", "D": "100"}, "correct_answer": "C"},
    {"id": 28, "difficulty": "medium", "question": "What is -32 × 14?", "options": {"A": "-380", "B": "-400", "C": "-420", "D": "-448"}, "correct_answer": "D"},
    {"id": 29, "difficulty": "medium", "question": "What is 40 × -27?", "options": {"A": "-900", "B": "-950", "C": "-1000", "D": "-1080"}, "correct_answer": "A"},
    {"id": 30, "difficulty": "medium", "question": "What is -21 × 16?", "options": {"A": "-300", "B": "-320", "C": "-336", "D": "-340"}, "correct_answer": "B"},
    {"id": 31, "difficulty": "medium", "question": "What is -29 × -11?", "options": {"A": "290", "B": "300", "C": "319", "D": "330"}, "correct_answer": "C"},
    {"id": 32, "difficulty": "medium", "question": "What is 33 × -19?", "options": {"A": "-620", "B": "-627", "C": "-630", "D": "-640"}, "correct_answer": "D"},
    {"id": 33, "difficulty": "medium", "question": "What is -45 × 22?", "options": {"A": "-900", "B": "-950", "C": "-990", "D": "-1000"}, "correct_answer": "A"},
    {"id": 34, "difficulty": "medium", "question": "What is 50 × -33?", "options": {"A": "-1400", "B": "-1500", "C": "-1600", "D": "-1650"}, "correct_answer": "B"},
    {"id": 35, "difficulty": "medium", "question": "What is -39 × -14?", "options": {"A": "500", "B": "520", "C": "546", "D": "560"}, "correct_answer": "C"},
    {"id": 36, "difficulty": "medium", "question": "What is 61 × -29?", "options": {"A": "-1600", "B": "-1700", "C": "-1769", "D": "-1800"}, "correct_answer": "D"},
    {"id": 37, "difficulty": "medium", "question": "What is -52 × 17?", "options": {"A": "-884", "B": "-890", "C": "-900", "D": "-910"}, "correct_answer": "A"},
    {"id": 38, "difficulty": "medium", "question": "What is 70 × -48?", "options": {"A": "-3000", "B": "-3200", "C": "-3300", "D": "-3360"}, "correct_answer": "B"},
    {"id": 39, "difficulty": "medium", "question": "What is -65 × -12?", "options": {"A": "700", "B": "720", "C": "770", "D": "780"}, "correct_answer": "C"},
    {"id": 40, "difficulty": "medium", "question": "What is 80 × -39?", "options": {"A": "-3000", "B": "-3100", "C": "-3120", "D": "-3200"}, "correct_answer": "D"},


    {"id": 41, "difficulty": "hard", "question": "What is -95 × 48?", "options": {"A": "-4560", "B": "-4580", "C": "-4600", "D": "-4700"}, "correct_answer": "A"},
    {"id": 42, "difficulty": "hard", "question": "What is 120 × -78?", "options": {"A": "-9000", "B": "-9300", "C": "-9360", "D": "-9500"}, "correct_answer": "B"},
    {"id": 43, "difficulty": "hard", "question": "What is -150 × -60?", "options": {"A": "8500", "B": "8700", "C": "9000", "D": "9200"}, "correct_answer": "C"},
    {"id": 44, "difficulty": "hard", "question": "What is 200 × -89?", "options": {"A": "-15000", "B": "-16000", "C": "-17000", "D": "-17800"}, "correct_answer": "D"},
    {"id": 45, "difficulty": "hard", "question": "What is -180 × 75?", "options": {"A": "-13000", "B": "-13500", "C": "-14000", "D": "-15000"}, "correct_answer": "A"},
    {"id": 46, "difficulty": "hard", "question": "What is 250 × -143?", "options": {"A": "-33000", "B": "-35000", "C": "-35750", "D": "-36000"}, "correct_answer": "B"},
    {"id": 47, "difficulty": "hard", "question": "What is -220 × -130?", "options": {"A": "26000", "B": "28000", "C": "28600", "D": "30000"}, "correct_answer": "C"},
    {"id": 48, "difficulty": "hard", "question": "What is 310 × -175?", "options": {"A": "-50000", "B": "-52000", "C": "-54250", "D": "-55000"}, "correct_answer": "D"},
    {"id": 49, "difficulty": "hard", "question": "What is -305 × 148?", "options": {"A": "-45100", "B": "-45200", "C": "-45300", "D": "-45500"}, "correct_answer": "A"},
    {"id": 50, "difficulty": "hard", "question": "What is 400 × -289?", "options": {"A": "-110000", "B": "-112000", "C": "-115000", "D": "-116000"}, "correct_answer": "B"},
    {"id": 51, "difficulty": "hard", "question": "What is -500 × -200?", "options": {"A": "80000", "B": "90000", "C": "100000", "D": "120000"}, "correct_answer": "C"},
    {"id": 52, "difficulty": "hard", "question": "What is 520 × -318?", "options": {"A": "-150000", "B": "-160000", "C": "-165360", "D": "-170000"}, "correct_answer": "D"},
    {"id": 53, "difficulty": "hard", "question": "What is -612 × 259?", "options": {"A": "-158508", "B": "-160000", "C": "-155000", "D": "-162000"}, "correct_answer": "A"},
    {"id": 54, "difficulty": "hard", "question": "What is 700 × -468?", "options": {"A": "-300000", "B": "-310000", "C": "-327600", "D": "-330000"}, "correct_answer": "B"},
    {"id": 55, "difficulty": "hard", "question": "What is -820 × -175?", "options": {"A": "130000", "B": "135000", "C": "143500", "D": "150000"}, "correct_answer": "C"},
    {"id": 56, "difficulty": "hard", "question": "What is 905 × -512?", "options": {"A": "-450000", "B": "-460000", "C": "-463000", "D": "-463,  -"}, "correct_answer": "D"},
    {"id": 57, "difficulty": "hard", "question": "What is -999 × 478?", "options": {"A": "-472000", "B": "-475000", "C": "-477522", "D": "-479000"}, "correct_answer": "A"},
    {"id": 58, "difficulty": "hard", "question": "What is 1210 × -680?", "options": {"A": "-800000", "B": "-810000", "C": "-822800", "D": "-830000"}, "correct_answer": "B"},
    {"id": 59, "difficulty": "hard", "question": "What is -1500 × -325?", "options": {"A": "450000", "B": "460000", "C": "487500", "D": "490000"}, "correct_answer": "C"},
    {"id": 60, "difficulty": "hard", "question": "What is 2000 × -1456?", "options": {"A": "-2800000", "B": "-2900000", "C": "-2912000", "D": "-3000000"}, "correct_answer": "D"}
,
{"id":61,"difficulty":"easy","question":"What is 6 × 4?","options":{"A":"20","B":"22","C":"24","D":"26"},"correct_answer":"C"},
  {"id":62,"difficulty":"easy","question":"What is -5 × 3?","options":{"A":"-15","B":"-10","C":"-20","D":"-25"},"correct_answer":"A"},
  {"id":63,"difficulty":"easy","question":"What is -6 × -2?","options":{"A":"10","B":"11","C":"12","D":"14"},"correct_answer":"C"},
  {"id":64,"difficulty":"easy","question":"What is 8 × -4?","options":{"A":"-28","B":"-30","C":"-32","D":"-36"},"correct_answer":"C"},
  {"id":65,"difficulty":"easy","question":"What is 9 × 5?","options":{"A":"40","B":"45","C":"50","D":"55"},"correct_answer":"B"},
  {"id":66,"difficulty":"easy","question":"What is -7 × 6?","options":{"A":"-40","B":"-42","C":"-45","D":"-48"},"correct_answer":"B"},
  {"id":67,"difficulty":"easy","question":"What is -4 × -8?","options":{"A":"28","B":"30","C":"32","D":"36"},"correct_answer":"C"},
  {"id":68,"difficulty":"easy","question":"What is 12 × -3?","options":{"A":"-30","B":"-32","C":"-34","D":"-36"},"correct_answer":"D"},
  {"id":69,"difficulty":"easy","question":"What is -10 × 4?","options":{"A":"-35","B":"-40","C":"-45","D":"-50"},"correct_answer":"B"},
  {"id":70,"difficulty":"easy","question":"What is 11 × -2?","options":{"A":"-20","B":"-21","C":"-22","D":"-24"},"correct_answer":"C"},
  {"id":71,"difficulty":"easy","question":"What is -9 × -3?","options":{"A":"24","B":"25","C":"26","D":"27"},"correct_answer":"D"},
  {"id":72,"difficulty":"easy","question":"What is 14 × 2?","options":{"A":"26","B":"28","C":"30","D":"32"},"correct_answer":"B"},
  {"id":73,"difficulty":"easy","question":"What is -8 × 7?","options":{"A":"-54","B":"-56","C":"-58","D":"-60"},"correct_answer":"B"},
  {"id":74,"difficulty":"easy","question":"What is -3 × -9?","options":{"A":"25","B":"26","C":"27","D":"28"},"correct_answer":"C"},
  {"id":75,"difficulty":"easy","question":"What is 15 × -4?","options":{"A":"-50","B":"-55","C":"-60","D":"-65"},"correct_answer":"C"},
  {"id":76,"difficulty":"easy","question":"What is 16 × 3?","options":{"A":"45","B":"48","C":"50","D":"52"},"correct_answer":"B"},
  {"id":77,"difficulty":"easy","question":"What is -11 × 5?","options":{"A":"-50","B":"-55","C":"-60","D":"-65"},"correct_answer":"B"},
  {"id":78,"difficulty":"easy","question":"What is -6 × -7?","options":{"A":"40","B":"41","C":"42","D":"43"},"correct_answer":"C"},
  {"id":79,"difficulty":"easy","question":"What is 18 × -2?","options":{"A":"-32","B":"-34","C":"-36","D":"-38"},"correct_answer":"C"},
  {"id":80,"difficulty":"easy","question":"What is -12 × 4?","options":{"A":"-44","B":"-46","C":"-48","D":"-50"},"correct_answer":"C"},
  {"id":81,"difficulty":"easy","question":"What is 20 × 3?","options":{"A":"50","B":"55","C":"60","D":"65"},"correct_answer":"C"},
  {"id":82,"difficulty":"easy","question":"What is -13 × 2?","options":{"A":"-24","B":"-25","C":"-26","D":"-28"},"correct_answer":"C"},
  {"id":83,"difficulty":"easy","question":"What is -5 × -6?","options":{"A":"28","B":"29","C":"30","D":"32"},"correct_answer":"C"},
  {"id":84,"difficulty":"easy","question":"What is 7 × -8?","options":{"A":"-54","B":"-55","C":"-56","D":"-58"},"correct_answer":"C"},
  {"id":85,"difficulty":"easy","question":"What is 9 × -6?","options":{"A":"-50","B":"-52","C":"-54","D":"-56"},"correct_answer":"C"},
  {"id":86,"difficulty":"easy","question":"What is -14 × 3?","options":{"A":"-40","B":"-41","C":"-42","D":"-44"},"correct_answer":"C"},
  {"id":87,"difficulty":"easy","question":"What is -10 × -9?","options":{"A":"80","B":"85","C":"90","D":"95"},"correct_answer":"C"},
  {"id":88,"difficulty":"easy","question":"What is 25 × -2?","options":{"A":"-45","B":"-48","C":"-50","D":"-55"},"correct_answer":"C"},
  {"id":89,"difficulty":"easy","question":"What is -16 × 4?","options":{"A":"-60","B":"-62","C":"-64","D":"-68"},"correct_answer":"C"},
  {"id":90,"difficulty":"easy","question":"What is 30 × -3?","options":{"A":"-80","B":"-85","C":"-90","D":"-95"},"correct_answer":"C"},

  {"id":91,"difficulty":"medium","question":"What is 18 × -7?","options":{"A":"-120","B":"-126","C":"-130","D":"-135"},"correct_answer":"B"},
  {"id":92,"difficulty":"medium","question":"What is -24 × 9?","options":{"A":"-210","B":"-216","C":"-220","D":"-225"},"correct_answer":"B"},
  {"id":93,"difficulty":"medium","question":"What is -15 × -14?","options":{"A":"200","B":"210","C":"215","D":"220"},"correct_answer":"B"},
  {"id":94,"difficulty":"medium","question":"What is 28 × -11?","options":{"A":"-300","B":"-308","C":"-320","D":"-330"},"correct_answer":"B"},
  {"id":95,"difficulty":"medium","question":"What is 35 × -6?","options":{"A":"-200","B":"-210","C":"-215","D":"-220"},"correct_answer":"B"},
  {"id":96,"difficulty":"medium","question":"What is -18 × -17?","options":{"A":"300","B":"306","C":"312","D":"320"},"correct_answer":"B"},
  {"id":97,"difficulty":"medium","question":"What is 42 × -8?","options":{"A":"-320","B":"-336","C":"-350","D":"-360"},"correct_answer":"B"},
  {"id":98,"difficulty":"medium","question":"What is -27 × 12?","options":{"A":"-310","B":"-324","C":"-330","D":"-340"},"correct_answer":"B"},
  {"id":99,"difficulty":"medium","question":"What is -22 × -19?","options":{"A":"410","B":"418","C":"430","D":"440"},"correct_answer":"B"},
  {"id":100,"difficulty":"medium","question":"What is 48 × -7?","options":{"A":"-330","B":"-336","C":"-340","D":"-350"},"correct_answer":"B"},
  {"id":101,"difficulty":"medium","question":"What is 56 × -9?","options":{"A":"-480","B":"-504","C":"-510","D":"-520"},"correct_answer":"B"},
  {"id":102,"difficulty":"medium","question":"What is -34 × 15?","options":{"A":"-490","B":"-510","C":"-520","D":"-530"},"correct_answer":"B"},
  {"id":103,"difficulty":"medium","question":"What is -25 × -21?","options":{"A":"500","B":"525","C":"530","D":"540"},"correct_answer":"B"},
  {"id":104,"difficulty":"medium","question":"What is 63 × -8?","options":{"A":"-480","B":"-504","C":"-510","D":"-520"},"correct_answer":"B"},
  {"id":105,"difficulty":"medium","question":"What is -36 × 14?","options":{"A":"-480","B":"-504","C":"-520","D":"-540"},"correct_answer":"B"},
  {"id":106,"difficulty":"medium","question":"What is -49 × -11?","options":{"A":"520","B":"539","C":"550","D":"560"},"correct_answer":"B"},
  {"id":107,"difficulty":"medium","question":"What is 72 × -6?","options":{"A":"-400","B":"-432","C":"-440","D":"-450"},"correct_answer":"B"},
  {"id":108,"difficulty":"medium","question":"What is -38 × 17?","options":{"A":"-620","B":"-646","C":"-650","D":"-660"},"correct_answer":"B"},
  {"id":109,"difficulty":"medium","question":"What is -45 × -16?","options":{"A":"700","B":"720","C":"740","D":"760"},"correct_answer":"B"},
  {"id":110,"difficulty":"medium","question":"What is 84 × -5?","options":{"A":"-400","B":"-420","C":"-430","D":"-440"},"correct_answer":"B"},
  {"id":111,"difficulty":"medium","question":"What is 96 × -7?","options":{"A":"-650","B":"-672","C":"-680","D":"-700"},"correct_answer":"B"},
  {"id":112,"difficulty":"medium","question":"What is -52 × 13?","options":{"A":"-650","B":"-676","C":"-680","D":"-700"},"correct_answer":"B"},
  {"id":113,"difficulty":"medium","question":"What is -61 × -14?","options":{"A":"820","B":"854","C":"860","D":"880"},"correct_answer":"B"},
  {"id":114,"difficulty":"medium","question":"What is 108 × -6?","options":{"A":"-620","B":"-648","C":"-660","D":"-680"},"correct_answer":"B"},
  {"id":115,"difficulty":"medium","question":"What is -75 × 9?","options":{"A":"-650","B":"-675","C":"-690","D":"-700"},"correct_answer":"B"},
  {"id":116,"difficulty":"medium","question":"What is -64 × -15?","options":{"A":"920","B":"960","C":"980","D":"1000"},"correct_answer":"B"},
  {"id":117,"difficulty":"medium","question":"What is 132 × -4?","options":{"A":"-500","B":"-528","C":"-540","D":"-560"},"correct_answer":"B"},
  {"id":118,"difficulty":"medium","question":"What is -84 × 11?","options":{"A":"-900","B":"-924","C":"-940","D":"-960"},"correct_answer":"B"},
  {"id":119,"difficulty":"medium","question":"What is -98 × -7?","options":{"A":"650","B":"686","C":"700","D":"720"},"correct_answer":"B"},
  {"id":120,"difficulty":"medium","question":"What is 150 × -6?","options":{"A":"-880","B":"-900","C":"-910","D":"-930"},"correct_answer":"B"},

  {"id":121,"difficulty":"hard","question":"What is -165 × 14?","options":{"A":"-2280","B":"-2310","C":"-2320","D":"-2350"},"correct_answer":"B"},
  {"id":122,"difficulty":"hard","question":"What is 192 × -17?","options":{"A":"-3200","B":"-3264","C":"-3300","D":"-3400"},"correct_answer":"B"},
  {"id":123,"difficulty":"hard","question":"What is -215 × -19?","options":{"A":"4000","B":"4085","C":"4100","D":"4200"},"correct_answer":"B"},
  {"id":124,"difficulty":"hard","question":"What is 248 × -23?","options":{"A":"-5600","B":"-5704","C":"-5800","D":"-5900"},"correct_answer":"B"},
  {"id":125,"difficulty":"hard","question":"What is -275 × 18?","options":{"A":"-4800","B":"-4950","C":"-5000","D":"-5100"},"correct_answer":"B"},
  {"id":126,"difficulty":"hard","question":"What is -312 × -21?","options":{"A":"6400","B":"6552","C":"6600","D":"6700"},"correct_answer":"B"},
  {"id":127,"difficulty":"hard","question":"What is 364 × -19?","options":{"A":"-6800","B":"-6916","C":"-7000","D":"-7200"},"correct_answer":"B"},
  {"id":128,"difficulty":"hard","question":"What is -405 × 24?","options":{"A":"-9600","B":"-9720","C":"-9800","D":"-10000"},"correct_answer":"B"},
  {"id":129,"difficulty":"hard","question":"What is -448 × -17?","options":{"A":"7400","B":"7616","C":"7700","D":"7800"},"correct_answer":"B"},
  {"id":130,"difficulty":"hard","question":"What is 512 × -28?","options":{"A":"-14000","B":"-14336","C":"-14500","D":"-15000"},"correct_answer":"B"},
  {"id":131,"difficulty":"hard","question":"What is 576 × -31?","options":{"A":"-17600","B":"-17856","C":"-18000","D":"-18500"},"correct_answer":"B"},
  {"id":132,"difficulty":"hard","question":"What is -630 × 29?","options":{"A":"-18000","B":"-18270","C":"-18500","D":"-19000"},"correct_answer":"B"},
  {"id":133,"difficulty":"hard","question":"What is -672 × -34?","options":{"A":"22000","B":"22848","C":"23000","D":"23500"},"correct_answer":"B"},
  {"id":134,"difficulty":"hard","question":"What is 735 × -27?","options":{"A":"-19500","B":"-19845","C":"-20000","D":"-20500"},"correct_answer":"B"},
  {"id":135,"difficulty":"hard","question":"What is -784 × 36?","options":{"A":"-27500","B":"-28224","C":"-28500","D":"-29000"},"correct_answer":"B"},
  {"id":136,"difficulty":"hard","question":"What is -825 × -41?","options":{"A":"33000","B":"33825","C":"34000","D":"34500"},"correct_answer":"B"},
  {"id":137,"difficulty":"hard","question":"What is 896 × -38?","options":{"A":"-33500","B":"-34048","C":"-34500","D":"-35000"},"correct_answer":"B"},
  {"id":138,"difficulty":"hard","question":"What is -945 × 47?","options":{"A":"-44000","B":"-44415","C":"-45000","D":"-46000"},"correct_answer":"B"},
  {"id":139,"difficulty":"hard","question":"What is -1024 × -39?","options":{"A":"39000","B":"39936","C":"40000","D":"41000"},"correct_answer":"B"},
  {"id":140,"difficulty":"hard","question":"What is 1100 × -52?","options":{"A":"-56000","B":"-57200","C":"-58000","D":"-59000"},"correct_answer":"B"},
  {"id":141,"difficulty":"hard","question":"What is -1176 × 48?","options":{"A":"-55000","B":"-56448","C":"-57000","D":"-58000"},"correct_answer":"B"},
  {"id":142,"difficulty":"hard","question":"What is -1235 × -53?","options":{"A":"65000","B":"65455","C":"66000","D":"67000"},"correct_answer":"B"},
  {"id":143,"difficulty":"hard","question":"What is 1320 × -61?","options":{"A":"-79000","B":"-80520","C":"-81000","D":"-82000"},"correct_answer":"B"},
  {"id":144,"difficulty":"hard","question":"What is -1408 × 57?","options":{"A":"-79000","B":"-80256","C":"-81000","D":"-82000"},"correct_answer":"B"},
  {"id":145,"difficulty":"hard","question":"What is -1500 × -64?","options":{"A":"93000","B":"96000","C":"97000","D":"98000"},"correct_answer":"B"},
  {"id":146,"difficulty":"hard","question":"What is 1600 × -73?","options":{"A":"-115000","B":"-116800","C":"-118000","D":"-120000"},"correct_answer":"B"},
  {"id":147,"difficulty":"hard","question":"What is -1728 × 69?","options":{"A":"-118000","B":"-119232","C":"-120000","D":"-122000"},"correct_answer":"B"},
  {"id":148,"difficulty":"hard","question":"What is -1800 × -75?","options":{"A":"130000","B":"135000","C":"138000","D":"140000"},"correct_answer":"B"},
  {"id":149,"difficulty":"hard","question":"What is 1920 × -84?","options":{"A":"-158000","B":"-161280","C":"-162000","D":"-165000"},"correct_answer":"B"},
  {"id":150,"difficulty":"hard","question":"What is -2000 × 96?","options":{"A":"-188000","B":"-192000","C":"-195000","D":"-198000"},"correct_answer":"B"}

  ]
}