{
  "title": "Comparing 4-Digit Numbers - Grade 3 CBSE",
  "total_questions": 60,
  "questions": [
    {"id":1,"difficulty":"easy","question":"Which number is greater: 2345 or 2435?","options":{"A":"2435","B":"2345","C":"They are equal","D":"Cannot say"},"correct_answer":"A"},
    {"id":2,"difficulty":"easy","question":"Which number is smaller: 5021 or 5102?","options":{"A":"5021","B":"5102","C":"They are equal","D":"Both are smallest"},"correct_answer":"B"},
    {"id":3,"difficulty":"easy","question":"Compare: 4500 ____ 4500","options":{"A":">","B":"<","C":"=","D":"+"},"correct_answer":"C"},
    {"id":4,"difficulty":"easy","question":"Which is the greatest? 3100, 3010, 3001, 3300","options":{"A":"3010","B":"3100","C":"3001","D":"3300"},"correct_answer":"D"},
    {"id":5,"difficulty":"easy","question":"Which is smallest? 4999, 4909, 4949, 4919","options":{"A":"4909","B":"4919","C":"4949","D":"4999"},"correct_answer":"A"},
    {"id":6,"difficulty":"easy","question":"Compare: 6000 + 200 + 30 ____ 6230","options":{"A":">","B":"<","C":"=","D":"Cannot say"},"correct_answer":"A"},
    {"id":7,"difficulty":"easy","question":"Which number comes between 3500 and 3502?","options":{"A":"3501","B":"3503","C":"3500","D":"3499"},"correct_answer":"A"},
    {"id":8,"difficulty":"easy","question":"Compare: 7200 ____ 7199","options":{"A":">","B":"<","C":"=","D":"Cannot say"},"correct_answer":"A"},
    {"id":9,"difficulty":"easy","question":"Arrange ascending: 4102, 4012, 4021","options":{"A":"4012, 4021, 4102","B":"4102, 4021, 4012","C":"4021, 4102, 4012","D":"4012, 4102, 4021"},"correct_answer":"C"},
    {"id":10,"difficulty":"easy","question":"Which sign makes true: 3333 ____ 3033","options":{"A":">","B":"<","C":"=","D":"+"},"correct_answer":"A"},
    {"id":11,"difficulty":"easy","question":"Smallest number using digits 4,0,6,1 is:","options":{"A":"1046","B":"1406","C":"1064","D":"4016"},"correct_answer":"A"},
    {"id":12,"difficulty":"easy","question":"Which number is greater than 6780?","options":{"A":"6781","B":"6678","C":"6600","D":"6770"},"correct_answer":"B"},
    {"id":13,"difficulty":"easy","question":"Compare: 8009 ____ 8090","options":{"A":">","B":"<","C":"=","D":"+"},"correct_answer":"C"},
    {"id":14,"difficulty":"easy","question":"Arrange descending: 2121, 2212, 2112","options":{"A":"2212, 2121, 2112","B":"2112, 2121, 2212","C":"2212, 2112, 2121","D":"2121, 2212, 2112"},"correct_answer":"D"},
    {"id":15,"difficulty":"easy","question":"Which number comes after 4555?","options":{"A":"4556","B":"4554","C":"4565","D":"4550"},"correct_answer":"A"},
    {"id":16,"difficulty":"easy","question":"Compare: 5009 ____ 5090","options":{"A":">","B":"<","C":"=","D":"+"},"correct_answer":"B"},
    {"id":17,"difficulty":"easy","question":"Greatest number: 7887, 7878, 7788, 7877","options":{"A":"7788","B":"7878","C":"7887","D":"7877"},"correct_answer":"C"},
    {"id":18,"difficulty":"easy","question":"1 less than 6000 is:","options":{"A":"5999","B":"6001","C":"5900","D":"5990"},"correct_answer":"A"},
    {"id":19,"difficulty":"easy","question":"Compare: 2340 ____ 2430","options":{"A":">","B":"<","C":"=","D":"Cannot say"},"correct_answer":"B"},
    {"id":20,"difficulty":"easy","question":"Smallest: 3553, 3535, 3355, 5335","options":{"A":"3355","B":"3535","C":"3553","D":"5335"},"correct_answer":"A"},

    {"id":21,"difficulty":"medium","question":"Arrange ascending: 6123, 6213, 6132","options":{"A":"6123, 6132, 6213","B":"6213, 6132, 6123","C":"6132, 6213, 6123","D":"6123, 6213, 6132"},"correct_answer":"B"},
    {"id":22,"difficulty":"medium","question":"100 more than 4567 is:","options":{"A":"4667","B":"4577","C":"5567","D":"4657"},"correct_answer":"A"},
    {"id":23,"difficulty":"medium","question":"Greatest: 7040, 7400, 7004, 7044","options":{"A":"7400","B":"7044","C":"7040","D":"7004"},"correct_answer":"B"},
    {"id":24,"difficulty":"medium","question":"7000 + 80 ____ 7080","options":{"A":"=","B":">","C":"<","D":"+"},"correct_answer":"C"},
    {"id":25,"difficulty":"medium","question":"Compare: 9008 ____ 9080","options":{"A":"<","B":">","C":"=","D":"+"},"correct_answer":"C"},
    {"id":26,"difficulty":"medium","question":"Number before 5200 is:","options":{"A":"5199","B":"5210","C":"5201","D":"5102"},"correct_answer":"D"},
    {"id":27,"difficulty":"medium","question":"Descending: 4100, 4010, 4001, 4110","options":{"A":"4110, 4100, 4010, 4001","B":"4100, 4110, 4010, 4001","C":"4010, 4110, 4100, 4001","D":"4110, 4010, 4100, 4001"},"correct_answer":"A"},
    {"id":28,"difficulty":"medium","question":"Which number is between 6788 and 6790?","options":{"A":"6789","B":"6787","C":"6791","D":"6780"},"correct_answer":"B"},
    {"id":29,"difficulty":"medium","question":"Smallest: 5081, 5018, 5108, 5180","options":{"A":"5018","B":"5081","C":"5108","D":"5180"},"correct_answer":"C"},
    {"id":30,"difficulty":"medium","question":"Compare: 3000 + 200 ____ 3200","options":{"A":"=","B":">","C":"<","D":"+"},"correct_answer":"D"},
    {"id":31,"difficulty":"medium","question":"10 less than 6500 is:","options":{"A":"6490","B":"6501","C":"6509","D":"6480"},"correct_answer":"A"},
    {"id":32,"difficulty":"medium","question":"8888 ____ 8800 + 88","options":{"A":"=","B":">","C":"<","D":"+"},"correct_answer":"B"},
    {"id":33,"difficulty":"medium","question":"Ascending: 9209, 9029, 9092","options":{"A":"9029, 9092, 9209","B":"9209, 9092, 9029","C":"9092, 9029, 9209","D":"9029, 9209, 9092"},"correct_answer":"C"},
    {"id":34,"difficulty":"medium","question":"Largest even number between 5000 and 5010","options":{"A":"5008","B":"5000","C":"5010","D":"5009"},"correct_answer":"D"},
    {"id":35,"difficulty":"medium","question":"1 more than smallest 4-digit number is:","options":{"A":"1001","B":"1000","C":"999","D":"1010"},"correct_answer":"A"},
    {"id":36,"difficulty":"medium","question":"Compare: 7321 ____ 7231","options":{"A":">","B":"<","C":"=","D":"+"},"correct_answer":"B"},
    {"id":37,"difficulty":"medium","question":"50 less than 4500 is:","options":{"A":"4450","B":"4550","C":"4400","D":"4501"},"correct_answer":"C"},
    {"id":38,"difficulty":"medium","question":"Descending: 6201, 6120, 6210, 6102","options":{"A":"6210, 6201, 6120, 6102","B":"6201, 6210, 6120, 6102","C":"6120, 6210, 6201, 6102","D":"6201, 6120, 6210, 6102"},"correct_answer":"D"},
    {"id":39,"difficulty":"medium","question":"Digit to make 4,3_9 < 4,399 true?","options":{"A":"3","B":"4","C":"9","D":"1"},"correct_answer":"A"},
    {"id":40,"difficulty":"medium","question":"Smallest odd number between 5700 and 5710","options":{"A":"5701","B":"5700","C":"5709","D":"5711"},"correct_answer":"D"},

    {"id":41,"difficulty":"hard","question":"Which is 10 less than smallest 4-digit number using 3,4,1,9?","options":{"A":"1348","B":"1349","C":"1439","D":"1934"},"correct_answer":"A"},
    {"id":42,"difficulty":"hard","question":"Descending: 7998, 7989, 7899, 7898","options":{"A":"7998, 7989, 7899, 7898","B":"7898, 7899, 7989, 7998","C":"7989, 7998, 7899, 7898","D":"7998, 7899, 7989, 7898"},"correct_answer":"B"},
    {"id":43,"difficulty":"hard","question":"100 more than 8999 is:","options":{"A":"9099","B":"9000","C":"9999","D":"8000"},"correct_answer":"C"},
    {"id":44,"difficulty":"hard","question":"Successor of 4555 ____ Predecessor of 4557","options":{"A":"=","B":">","C":"<","D":"+"},"correct_answer":"D"},
    {"id":45,"difficulty":"hard","question":"4000+600+50 ____ 4600+50","options":{"A":"=","B":">","C":"<","D":"+"},"correct_answer":"A"},
    {"id":46,"difficulty":"hard","question":"Middle of 6200 and 6300","options":{"A":"6250","B":"6240","C":"6260","D":"6210"},"correct_answer":"A"},
    {"id":47,"difficulty":"hard","question":"Ascending: 6890, 6809, 6980, 6908","options":{"A":"6809, 6890, 6908, 6980","B":"6980, 6908, 6890, 6809","C":"6890, 6809, 6980, 6908","D":"6890, 6908, 6809, 6980"},"correct_answer":"B"},
    {"id":48,"difficulty":"hard","question":"Largest number using 5,1,8,0","options":{"A":"8510","B":"8105","C":"8051","D":"5810"},"correct_answer":"C"},
    {"id":49,"difficulty":"hard","question":"50 less than (3000+3000)","options":{"A":"5950","B":"6000","C":"5900","D":"6050"},"correct_answer":"C"},
    {"id":50,"difficulty":"hard","question":"Predecessor of 7000 ____ Successor of 6998","options":{"A":"=","B":">","C":"<","D":"+"},"correct_answer":"D"},
    {"id":51,"difficulty":"hard","question":"1 more than largest 4-digit even number","options":{"A":"10000","B":"9999","C":"9998","D":"10001"},"correct_answer":"A"},
    {"id":52,"difficulty":"hard","question":"Descending: 2450, 2405, 2540, 2504","options":{"A":"2540, 2504, 2450, 2405","B":"2405, 2450, 2504, 2540","C":"2504, 2540, 2450, 2405","D":"2540, 2450, 2504, 2405"},"correct_answer":"B"},
    {"id":53,"difficulty":"hard","question":"Smallest number using 7,4,2,9","options":{"A":"2479","B":"2497","C":"2749","D":"2974"},"correct_answer":"C"},
    {"id":54,"difficulty":"hard","question":"200 more than (8000-3000)","options":{"A":"5200","B":"5000","C":"4800","D":"5300"},"correct_answer":"A"},
    {"id":55,"difficulty":"hard","question":"7000 - 200 ____ 6000 + 800","options":{"A":"=","B":">","C":"<","D":"+"},"correct_answer":"B"},
    {"id":56,"difficulty":"hard","question":"10 less than 9000","options":{"A":"8990","B":"8999","C":"8900","D":"9001"},"correct_answer":"A"},
    {"id":57,"difficulty":"hard","question":"Ascending: 3567, 3675, 3576, 3657","options":{"A":"3567, 3576, 3657, 3675","B":"3675, 3657, 3576, 3567","C":"3567, 3657, 3576, 3675","D":"3576, 3567, 3657, 3675"},"correct_answer":"B"},
    {"id":58,"difficulty":"hard","question":"100 more than predecessor of 5500","options":{"A":"5599","B":"5499","C":"5600","D":"5510"},"correct_answer":"C"},
    {"id":59,"difficulty":"hard","question":"Smallest 4-digit number ____ Largest 3-digit number + 1","options":{"A":"=","B":">","C":"<","D":"+"},"correct_answer":"D"},
    {"id":60,"difficulty":"hard","question":"500 less than (3500+3500)","options":{"A":"6500","B":"7000","C":"6000","D":"7500"},"correct_answer":"A"}
  ]
}