{
  "title": "Solving Simple Linear Equations - Grade 7 CBSE",
  "total_questions": 150,
  "questions": [
    {"id": 1, "difficulty": "easy", "question": "Solve: x+3=7", "options": {"A": "3", "B": "4", "C": "5", "D": "6"}, "correct_answer": "B"},
    {"id": 2, "difficulty": "easy", "question": "Solve: y-5=12", "options": {"A": "7", "B": "12", "C": "15", "D": "17"}, "correct_answer": "D"},
    {"id": 3, "difficulty": "easy", "question": "Solve: 2m=16", "options": {"A": "6", "B": "8", "C": "10", "D": "12"}, "correct_answer": "B"},
    {"id": 4, "difficulty": "easy", "question": "Solve: n/4=3", "options": {"A": "7", "B": "9", "C": "12", "D": "15"}, "correct_answer": "C"},
    {"id": 5, "difficulty": "easy", "question": "Solve: 3p+2=14", "options": {"A": "2", "B": "3", "C": "4", "D": "5"}, "correct_answer": "C"},
    {"id": 6, "difficulty": "easy", "question": "Solve: 4q-7=9", "options": {"A": "3", "B": "4", "C": "5", "D": "6"}, "correct_answer": "B"},
    {"id": 7, "difficulty": "easy", "question": "Solve: 5=2x+1", "options": {"A": "1", "B": "2", "C": "3", "D": "4"}, "correct_answer": "B"},
    {"id": 8, "difficulty": "easy", "question": "Solve: 3a/2=9", "options": {"A": "4", "B": "5", "C": "6", "D": "7"}, "correct_answer": "C"},
    {"id": 9, "difficulty": "easy", "question": "Solve: 7-2b=3", "options": {"A": "1", "B": "2", "C": "3", "D": "4"}, "correct_answer": "B"},
    {"id": 10, "difficulty": "easy", "question": "Solve: (c+4)/3=5", "options": {"A": "9", "B": "10", "C": "11", "D": "12"}, "correct_answer": "C"},
    {"id": 11, "difficulty": "easy", "question": "Solve: 2d+5=15", "options": {"A": "4", "B": "5", "C": "6", "D": "7"}, "correct_answer": "B"},
    {"id": 12, "difficulty": "easy", "question": "Solve: 3e-4=11", "options": {"A": "3", "B": "4", "C": "5", "D": "6"}, "correct_answer": "C"},
    {"id": 13, "difficulty": "easy", "question": "Solve: 4f/5=8", "options": {"A": "8", "B": "9", "C": "10", "D": "11"}, "correct_answer": "C"},
    {"id": 14, "difficulty": "easy", "question": "Solve: 6=3g-9", "options": {"A": "3", "B": "4", "C": "5", "D": "6"}, "correct_answer": "C"},
    {"id": 15, "difficulty": "easy", "question": "Solve: (h-2)/4=3", "options": {"A": "10", "B": "12", "C": "14", "D": "16"}, "correct_answer": "C"},
    {"id": 16, "difficulty": "easy", "question": "Solve: 5i+7=22", "options": {"A": "2", "B": "3", "C": "4", "D": "5"}, "correct_answer": "B"},
    {"id": 17, "difficulty": "easy", "question": "Solve: 2j-8=10", "options": {"A": "7", "B": "8", "C": "9", "D": "10"}, "correct_answer": "C"},
    {"id": 18, "difficulty": "easy", "question": "Solve: 3k/4=6", "options": {"A": "6", "B": "7", "C": "8", "D": "9"}, "correct_answer": "C"},
    {"id": 19, "difficulty": "easy", "question": "Solve: 12=4l+4", "options": {"A": "1", "B": "2", "C": "3", "D": "4"}, "correct_answer": "B"},
    {"id": 20, "difficulty": "easy", "question": "Solve: (m+5)/2=8", "options": {"A": "9", "B": "10", "C": "11", "D": "12"}, "correct_answer": "C"},
    {"id": 21, "difficulty": "medium", "question": "Solve: 2x+3=5x-9", "options": {"A": "3", "B": "4", "C": "5", "D": "6"}, "correct_answer": "B"},
    {"id": 22, "difficulty": "medium", "question": "Solve: 3(y-2)=2(y+4)", "options": {"A": "10", "B": "12", "C": "14", "D": "16"}, "correct_answer": "C"},
    {"id": 23, "difficulty": "medium", "question": "Solve: 4z-7=3z+5", "options": {"A": "10", "B": "11", "C": "12", "D": "13"}, "correct_answer": "C"},
    {"id": 24, "difficulty": "medium", "question": "Solve: 2(a+3)=3(a-1)", "options": {"A": "7", "B": "8", "C": "9", "D": "10"}, "correct_answer": "C"},
    {"id": 25, "difficulty": "medium", "question": "Solve: 5b-4=3b+10", "options": {"A": "5", "B": "6", "C": "7", "D": "8"}, "correct_answer": "C"},
    {"id": 26, "difficulty": "medium", "question": "Solve: (2c+1)/3=(c+4)/2", "options": {"A": "5", "B": "6", "C": "7", "D": "8"}, "correct_answer": "A"},
    {"id": 27, "difficulty": "medium", "question": "Solve: 0.3d+0.7=0.5d-0.1", "options": {"A": "2", "B": "3", "C": "4", "D": "5"}, "correct_answer": "C"},
    {"id": 28, "difficulty": "medium", "question": "Solve: 2/3 e - 1/2 = 1/6", "options": {"A": "1", "B": "1.5", "C": "2", "D": "2.5"}, "correct_answer": "A"},
    {"id": 29, "difficulty": "medium", "question": "Solve: 5(f-2)=3(f+4)", "options": {"A": "9", "B": "10", "C": "11", "D": "12"}, "correct_answer": "C"},
    {"id": 30, "difficulty": "medium", "question": "Solve: 2.5g-1.5=3.5g-4.5", "options": {"A": "2", "B": "2.5", "C": "3", "D": "3.5"}, "correct_answer": "C"},
    {"id": 31, "difficulty": "medium", "question": "Solve: (3h-2)/4=(2h+1)/3", "options": {"A": "8", "B": "9", "C": "10", "D": "11"}, "correct_answer": "C"},
    {"id": 32, "difficulty": "medium", "question": "Solve: 4i+7=6i-5", "options": {"A": "5", "B": "6", "C": "7", "D": "8"}, "correct_answer": "B"},
    {"id": 33, "difficulty": "medium", "question": "Solve: 3(2j-1)=4(j+2)", "options": {"A": "4.5", "B": "5", "C": "5.5", "D": "6"}, "correct_answer": "C"},
    {"id": 34, "difficulty": "medium", "question": "Solve: 0.4k+0.6=0.2k+1", "options": {"A": "1", "B": "1.5", "C": "2", "D": "2.5"}, "correct_answer": "C"},
    {"id": 35, "difficulty": "medium", "question": "Solve: (5l-3)/2=(3l+5)/4", "options": {"A": "2", "B": "2.5", "C": "3", "D": "3.5"}, "correct_answer": "A"},
    {"id": 36, "difficulty": "medium", "question": "Solve: 7m-5=3m+15", "options": {"A": "4", "B": "5", "C": "6", "D": "7"}, "correct_answer": "B"},
    {"id": 37, "difficulty": "medium", "question": "Solve: 2(n+5)=3(n-2)", "options": {"A": "14", "B": "15", "C": "16", "D": "17"}, "correct_answer": "C"},
    {"id": 38, "difficulty": "medium", "question": "Solve: 1.2o-0.8=0.4o+1.6", "options": {"A": "2", "B": "2.5", "C": "3", "D": "3.5"}, "correct_answer": "C"},
    {"id": 39, "difficulty": "medium", "question": "Solve: (4p-1)/3=(3p+2)/2", "options": {"A": "6", "B": "7", "C": "8", "D": "9"}, "correct_answer": "C"},
    {"id": 40, "difficulty": "medium", "question": "Solve: 5q-3=2q+12", "options": {"A": "4", "B": "5", "C": "6", "D": "7"}, "correct_answer": "B"},
    {"id": 41, "difficulty": "medium", "question": "Solve: 3(r-2)=2(r+1)+4", "options": {"A": "10", "B": "11", "C": "12", "D": "13"}, "correct_answer": "C"},
    {"id": 42, "difficulty": "medium", "question": "Solve: 0.5s+1.5=0.8s-0.6", "options": {"A": "5", "B": "6", "C": "7", "D": "8"}, "correct_answer": "C"},
    {"id": 43, "difficulty": "medium", "question": "Solve: (6t-4)/5=(4t+2)/3", "options": {"A": "9", "B": "10", "C": "11", "D": "12"}, "correct_answer": "C"},
    {"id": 44, "difficulty": "medium", "question": "Solve: 4u-7=2u+11", "options": {"A": "8", "B": "9", "C": "10", "D": "11"}, "correct_answer": "B"},
    {"id": 45, "difficulty": "medium", "question": "Solve: 3(v+2)=4(v-1)+5", "options": {"A": "3", "B": "4", "C": "5", "D": "6"}, "correct_answer": "C"},
    {"id": 46, "difficulty": "medium", "question": "Solve: 0.6w+0.4=0.3w+1", "options": {"A": "1", "B": "1.5", "C": "2", "D": "2.5"}, "correct_answer": "C"},
    {"id": 47, "difficulty": "medium", "question": "Solve: (7x-2)/4=(5x+1)/3", "options": {"A": "8", "B": "9", "C": "10", "D": "11"}, "correct_answer": "C"},
    {"id": 48, "difficulty": "medium", "question": "Solve: 8y-5=3y+20", "options": {"A": "4", "B": "5", "C": "6", "D": "7"}, "correct_answer": "B"},
    {"id": 49, "difficulty": "medium", "question": "Solve: 4(z-3)=3(z+2)-1", "options": {"A": "15", "B": "16", "C": "17", "D": "18"}, "correct_answer": "C"},
    {"id": 50, "difficulty": "medium", "question": "Solve: 0.7a+0.3=0.4a+0.9", "options": {"A": "1", "B": "1.5", "C": "2", "D": "2.5"}, "correct_answer": "C"},
    {"id": 51, "difficulty": "medium", "question": "Solve: (8b-3)/5=(6b+2)/4", "options": {"A": "9", "B": "10", "C": "11", "D": "12"}, "correct_answer": "C"},
    {"id": 52, "difficulty": "medium", "question": "Solve: 9c-4=5c+16", "options": {"A": "4", "B": "5", "C": "6", "D": "7"}, "correct_answer": "B"},
    {"id": 53, "difficulty": "medium", "question": "Solve: 5(d+1)=4(d+2)+3", "options": {"A": "5", "B": "6", "C": "7", "D": "8"}, "correct_answer": "B"},
    {"id": 54, "difficulty": "medium", "question": "Solve: 0.9e-0.5=0.3e+1.3", "options": {"A": "2", "B": "2.5", "C": "3", "D": "3.5"}, "correct_answer": "C"},
    {"id": 55, "difficulty": "medium", "question": "Solve: (9f-5)/7=(7f+3)/5", "options": {"A": "10", "B": "11", "C": "12", "D": "13"}, "correct_answer": "B"},
    {"id": 56, "difficulty": "medium", "question": "Solve: 10g-6=4g+24", "options": {"A": "4", "B": "5", "C": "6", "D": "7"}, "correct_answer": "B"},
    {"id": 57, "difficulty": "medium", "question": "Solve: 6(h-2)=5(h+1)-3", "options": {"A": "12", "B": "13", "C": "14", "D": "15"}, "correct_answer": "C"},
    {"id": 58, "difficulty": "medium", "question": "Solve: 1.1i-0.7=0.5i+1.1", "options": {"A": "2", "B": "2.5", "C": "3", "D": "3.5"}, "correct_answer": "C"},
    {"id": 59, "difficulty": "medium", "question": "Solve: (10j-7)/8=(8j+5)/6", "options": {"A": "10", "B": "11", "C": "12", "D": "13"}, "correct_answer": "B"},
    {"id": 60, "difficulty": "medium", "question": "Solve: 11k-8=5k+22", "options": {"A": "4", "B": "5", "C": "6", "D": "7"}, "correct_answer": "B"},
    {"id": 61, "difficulty": "medium", "question": "Solve: 7(l+3)=6(l+4)+2", "options": {"A": "15", "B": "16", "C": "17", "D": "18"}, "correct_answer": "C"},
    {"id": 62, "difficulty": "medium", "question": "Solve: 1.3m-0.9=0.7m+1.5", "options": {"A": "3", "B": "3.5", "C": "4", "D": "4.5"}, "correct_answer": "C"},
    {"id": 63, "difficulty": "medium", "question": "Solve: (11n-9)/9=(9n+7)/7", "options": {"A": "11", "B": "12", "C": "13", "D": "14"}, "correct_answer": "D"},
    {"id": 64, "difficulty": "medium", "question": "Solve: 12o-10=6o+26", "options": {"A": "5", "B": "6", "C": "7", "D": "8"}, "correct_answer": "B"},
    {"id": 65, "difficulty": "medium", "question": "Solve: 8(p-1)=7(p+2)-5", "options": {"A": "15", "B": "16", "C": "17", "D": "18"}, "correct_answer": "C"},
    {"id": 66, "difficulty": "medium", "question": "Solve: 1.5q-1.1=0.9q+1.9", "options": {"A": "4", "B": "4.5", "C": "5", "D": "5.5"}, "correct_answer": "C"},
    {"id": 67, "difficulty": "medium", "question": "Solve: (12r-11)/11=(10r+9)/9", "options": {"A": "12", "B": "13", "C": "14", "D": "15"}, "correct_answer": "D"},
    {"id": 68, "difficulty": "medium", "question": "Solve: 13s-12=7s+30", "options": {"A": "6", "B": "7", "C": "8", "D": "9"}, "correct_answer": "B"},
    {"id": 69, "difficulty": "medium", "question": "Solve: 9(t-3)=8(t+4)-10", "options": {"A": "45", "B": "46", "C": "47", "D": "48"}, "correct_answer": "D"},
    {"id": 70, "difficulty": "medium", "question": "Solve: 1.7u-1.3=1.1u+2.5", "options": {"A": "5", "B": "5.5", "C": "6", "D": "6.5"}, "correct_answer": "C"},
    {"id": 71, "difficulty": "medium", "question": "Solve: (13v-12)/12=(11v+10)/10", "options": {"A": "13", "B": "14", "C": "15", "D": "16"}, "correct_answer": "C"},
    {"id": 72, "difficulty": "medium", "question": "Solve: 14w-14=8w+34", "options": {"A": "7", "B": "8", "C": "9", "D": "10"}, "correct_answer": "B"},
    {"id": 73, "difficulty": "medium", "question": "Solve: 10(x-4)=9(x+5)-20", "options": {"A": "65", "B": "66", "C": "67", "D": "68"}, "correct_answer": "A"},
    {"id": 74, "difficulty": "medium", "question": "Solve: 1.9y-1.5=1.3y+3.1", "options": {"A": "6", "B": "6.5", "C": "7", "D": "7.5"}, "correct_answer": "C"},
    {"id": 75, "difficulty": "medium", "question": "Solve: (14z-13)/13=(12z+11)/11", "options": {"A": "14", "B": "15", "C": "16", "D": "17"}, "correct_answer": "D"},
    {"id": 76, "difficulty": "medium", "question": "Solve: 15a-16=9a+38", "options": {"A": "8", "B": "9", "C": "10", "D": "11"}, "correct_answer": "B"},
    {"id": 77, "difficulty": "medium", "question": "Solve: 11(b-5)=10(b+6)-25", "options": {"A": "80", "B": "85", "C": "90", "D": "95"}, "correct_answer": "C"},
    {"id": 78, "difficulty": "medium", "question": "Solve: 2.1c-1.7=1.5c+3.7", "options": {"A": "8", "B": "8.5", "C": "9", "D": "9.5"}, "correct_answer": "C"},
    {"id": 79, "difficulty": "medium", "question": "Solve: (15d-14)/14=(13d+12)/12", "options": {"A": "15", "B": "16", "C": "17", "D": "18"}, "correct_answer": "D"},
    {"id": 80, "difficulty": "medium", "question": "Solve: 16e-18=10e+42", "options": {"A": "9", "B": "10", "C": "11", "D": "12"}, "correct_answer": "B"},
    {"id": 81, "difficulty": "hard", "question": "Solve: 3(2x-1)-2(3x-4)=4(x+5)-3", "options": {"A": "5", "B": "6", "C": "7", "D": "8"}, "correct_answer": "A"},
    {"id": 82, "difficulty": "hard", "question": "Solve: (5y-3)/2 - (2y+1)/3 = (3y-2)/4", "options": {"A": "2", "B": "2.5", "C": "3", "D": "3.5"}, "correct_answer": "A"},
    {"id": 83, "difficulty": "hard", "question": "Solve: 0.4(3z-2)+0.6(2z+1)=0.5(4z-3)+1.2", "options": {"A": "1.5", "B": "2", "C": "2.5", "D": "3"}, "correct_answer": "B"},
    {"id": 84, "difficulty": "hard", "question": "Solve: (7a-5)/3 - (5a-3)/4 = (3a+1)/2", "options": {"A": "4", "B": "5", "C": "6", "D": "7"}, "correct_answer": "B"},
    {"id": 85, "difficulty": "hard", "question": "Solve: 2.5(2b-3)-1.5(3b-4)=0.5(4b-5)+2.5", "options": {"A": "4", "B": "4.5", "C": "5", "D": "5.5"}, "correct_answer": "B"},
    {"id": 86, "difficulty": "hard", "question": "Solve: (8c-7)/5 - (6c-5)/3 = (4c-3)/2", "options": {"A": "6", "B": "7", "C": "8", "D": "9"}, "correct_answer": "C"},
    {"id": 87, "difficulty": "hard", "question": "Solve: 0.6(4d-3)-0.4(3d+2)=0.2(5d-1)-0.8", "options": {"A": "2", "B": "2.5", "C": "3", "D": "3.5"}, "correct_answer": "B"},
    {"id": 88, "difficulty": "hard", "question": "Solve: (9e-8)/7 - (7e-6)/5 = (5e-4)/3", "options": {"A": "8", "B": "9", "C": "10", "D": "11"}, "correct_answer": "D"},
    {"id": 89, "difficulty": "hard", "question": "Solve: 1.2(3f-2)+0.8(2f+1)=0.6(4f-3)+2.4", "options": {"A": "2", "B": "2.5", "C": "3", "D": "3.5"}, "correct_answer": "B"},
    {"id": 90, "difficulty": "hard", "question": "Solve: (10g-9)/9 - (8g-7)/7 = (6g-5)/5", "options": {"A": "10", "B": "11", "C": "12", "D": "13"}, "correct_answer": "D"},
    {"id": 91, "difficulty": "hard", "question": "Solve: 0.8(5h-4)-0.6(4h+3)=0.4(6h-5)-1.2", "options": {"A": "3", "B": "3.5", "C": "4", "D": "4.5"}, "correct_answer": "B"},
    {"id": 92, "difficulty": "hard", "question": "Solve: (11i-10)/10 - (9i-8)/8 = (7i-6)/6", "options": {"A": "11", "B": "12", "C": "13", "D": "14"}, "correct_answer": "D"},
    {"id": 93, "difficulty": "hard", "question": "Solve: 1.4(4j-3)+0.6(3j+2)=0.8(5j-4)+2.8", "options": {"A": "3", "B": "3.5", "C": "4", "D": "4.5"}, "correct_answer": "B"},
    {"id": 94, "difficulty": "hard", "question": "Solve: (12k-11)/11 - (10k-9)/9 = (8k-7)/7", "options": {"A": "12", "B": "13", "C": "14", "D": "15"}, "correct_answer": "D"},
    {"id": 95, "difficulty": "hard", "question": "Solve: 0.9(6l-5)-0.5(5l+4)=0.3(7l-6)-1.5", "options": {"A": "4", "B": "4.5", "C": "5", "D": "5.5"}, "correct_answer": "B"},
    {"id": 96, "difficulty": "hard", "question": "Solve: (13m-12)/12 - (11m-10)/10 = (9m-8)/8", "options": {"A": "13", "B": "14", "C": "15", "D": "16"}, "correct_answer": "D"},
    {"id": 97, "difficulty": "hard", "question": "Solve: 1.6(5n-4)+0.4(4n+3)=0.8(6n-5)+3.2", "options": {"A": "4", "B": "4.5", "C": "5", "D": "5.5"}, "correct_answer": "B"},
    {"id": 98, "difficulty": "hard", "question": "Solve: (14o-13)/13 - (12o-11)/11 = (10o-9)/9", "options": {"A": "14", "B": "15", "C": "16", "D": "17"}, "correct_answer": "D"},
    {"id": 99, "difficulty": "hard", "question": "Solve: 0.7(7p-6)-0.3(6p+5)=0.5(8p-7)-2.1", "options": {"A": "5", "B": "5.5", "C": "6", "D": "6.5"}, "correct_answer": "B"},
    {"id": 100, "difficulty": "hard", "question": "Solve: (15q-14)/14 - (13q-12)/12 = (11q-10)/10", "options": {"A": "15", "B": "16", "C": "17", "D": "18"}, "correct_answer": "D"}
 ,
{"id":101,"difficulty":"easy","question":"Solve: x + 11 = 25","options":{"A":"12","B":"13","C":"14","D":"15"},"correct_answer":"C"},
    {"id":102,"difficulty":"easy","question":"Solve: y - 9 = 6","options":{"A":"13","B":"14","C":"15","D":"16"},"correct_answer":"C"},
    {"id":103,"difficulty":"easy","question":"Solve: 6a = 42","options":{"A":"6","B":"7","C":"8","D":"9"},"correct_answer":"B"},
    {"id":104,"difficulty":"easy","question":"Solve: b/5 = 4","options":{"A":"15","B":"18","C":"20","D":"25"},"correct_answer":"C"},
    {"id":105,"difficulty":"easy","question":"Solve: 4x + 3 = 19","options":{"A":"3","B":"4","C":"5","D":"6"},"correct_answer":"C"},
    {"id":106,"difficulty":"easy","question":"Solve: 7y - 5 = 30","options":{"A":"4","B":"5","C":"6","D":"7"},"correct_answer":"C"},
    {"id":107,"difficulty":"easy","question":"Solve: 3m = 27","options":{"A":"7","B":"8","C":"9","D":"10"},"correct_answer":"C"},
    {"id":108,"difficulty":"easy","question":"Solve: (n - 6) = 10","options":{"A":"14","B":"15","C":"16","D":"17"},"correct_answer":"C"},
    {"id":109,"difficulty":"easy","question":"Solve: 5p + 10 = 35","options":{"A":"4","B":"5","C":"6","D":"7"},"correct_answer":"B"},
    {"id":110,"difficulty":"easy","question":"Solve: q/4 = 6","options":{"A":"20","B":"22","C":"24","D":"26"},"correct_answer":"C"},
    {"id":111,"difficulty":"easy","question":"Solve: 9r - 18 = 27","options":{"A":"3","B":"4","C":"5","D":"6"},"correct_answer":"C"},
    {"id":112,"difficulty":"easy","question":"Solve: (s + 7)/2 = 9","options":{"A":"9","B":"10","C":"11","D":"12"},"correct_answer":"C"},
    {"id":113,"difficulty":"easy","question":"Solve: 8t = 56","options":{"A":"6","B":"7","C":"8","D":"9"},"correct_answer":"B"},
    {"id":114,"difficulty":"easy","question":"Solve: u - 15 = 8","options":{"A":"21","B":"22","C":"23","D":"24"},"correct_answer":"C"},
    {"id":115,"difficulty":"easy","question":"Solve: 6v + 6 = 48","options":{"A":"6","B":"7","C":"8","D":"9"},"correct_answer":"C"},

    {"id":116,"difficulty":"medium","question":"Solve: 3(x + 4) = 30","options":{"A":"5","B":"6","C":"7","D":"8"},"correct_answer":"B"},
    {"id":117,"difficulty":"medium","question":"Solve: 5y - 8 = 2y + 13","options":{"A":"6","B":"7","C":"8","D":"9"},"correct_answer":"C"},
    {"id":118,"difficulty":"medium","question":"Solve: 4(a - 3) = 2a + 10","options":{"A":"8","B":"9","C":"10","D":"11"},"correct_answer":"C"},
    {"id":119,"difficulty":"medium","question":"Solve: (2b + 5)/3 = 7","options":{"A":"7","B":"8","C":"9","D":"10"},"correct_answer":"C"},
    {"id":120,"difficulty":"medium","question":"Solve: 7c + 4 = 3c + 36","options":{"A":"7","B":"8","C":"9","D":"10"},"correct_answer":"C"},
    {"id":121,"difficulty":"medium","question":"Solve: 6(d - 2) = 3(d + 6)","options":{"A":"8","B":"9","C":"10","D":"11"},"correct_answer":"C"},
    {"id":122,"difficulty":"medium","question":"Solve: 4e + 9 = 2e + 25","options":{"A":"6","B":"7","C":"8","D":"9"},"correct_answer":"C"},
    {"id":123,"difficulty":"medium","question":"Solve: (5f - 1)/2 = 12","options":{"A":"4","B":"5","C":"6","D":"7"},"correct_answer":"C"},
    {"id":124,"difficulty":"medium","question":"Solve: 3(g + 5) = 2g + 25","options":{"A":"9","B":"10","C":"11","D":"12"},"correct_answer":"B"},
    {"id":125,"difficulty":"medium","question":"Solve: 8h - 14 = 2h + 10","options":{"A":"3","B":"4","C":"5","D":"6"},"correct_answer":"C"},
    {"id":126,"difficulty":"medium","question":"Solve: (3i + 6)/4 = 6","options":{"A":"6","B":"7","C":"8","D":"9"},"correct_answer":"C"},
    {"id":127,"difficulty":"medium","question":"Solve: 5j + 2 = 3(j + 8)","options":{"A":"10","B":"11","C":"12","D":"13"},"correct_answer":"C"},
    {"id":128,"difficulty":"medium","question":"Solve: 9k - 7 = 5k + 21","options":{"A":"5","B":"6","C":"7","D":"8"},"correct_answer":"C"},
    {"id":129,"difficulty":"medium","question":"Solve: (4l - 3)/5 = 5","options":{"A":"24","B":"25","C":"26","D":"27"},"correct_answer":"C"},
    {"id":130,"difficulty":"medium","question":"Solve: 2(m + 9) = 4m + 2","options":{"A":"7","B":"8","C":"9","D":"10"},"correct_answer":"C"},
    {"id":131,"difficulty":"medium","question":"Solve: 6n + 5 = 11n - 20","options":{"A":"4","B":"5","C":"6","D":"7"},"correct_answer":"B"},
    {"id":132,"difficulty":"medium","question":"Solve: (7o + 1)/3 = 10","options":{"A":"3","B":"4","C":"5","D":"6"},"correct_answer":"C"},
    {"id":133,"difficulty":"medium","question":"Solve: 4p - 6 = 2(p + 7)","options":{"A":"8","B":"9","C":"10","D":"11"},"correct_answer":"C"},
    {"id":134,"difficulty":"medium","question":"Solve: 5q + 15 = 2q + 42","options":{"A":"7","B":"8","C":"9","D":"10"},"correct_answer":"C"},
    {"id":135,"difficulty":"medium","question":"Solve: (6r - 2)/4 = 7","options":{"A":"4","B":"5","C":"6","D":"7"},"correct_answer":"C"},
    {"id":136,"difficulty":"medium","question":"Solve: 3(s - 4) = 2s + 2","options":{"A":"10","B":"11","C":"12","D":"13"},"correct_answer":"C"},
    {"id":137,"difficulty":"medium","question":"Solve: 7t + 9 = 4t + 36","options":{"A":"7","B":"8","C":"9","D":"10"},"correct_answer":"C"},
    {"id":138,"difficulty":"medium","question":"Solve: (5u + 10)/5 = u + 4","options":{"A":"4","B":"5","C":"6","D":"7"},"correct_answer":"B"},
    {"id":139,"difficulty":"medium","question":"Solve: 8v - 12 = 4v + 20","options":{"A":"6","B":"7","C":"8","D":"9"},"correct_answer":"C"},
    {"id":140,"difficulty":"medium","question":"Solve: 2(w + 15) = 5w","options":{"A":"8","B":"9","C":"10","D":"11"},"correct_answer":"C"},
    {"id":141,"difficulty":"medium","question":"Solve: 9x + 3 = 6x + 30","options":{"A":"8","B":"9","C":"10","D":"11"},"correct_answer":"C"},
    {"id":142,"difficulty":"medium","question":"Solve: (4y - 8)/2 = 10","options":{"A":"12","B":"13","C":"14","D":"15"},"correct_answer":"C"},
    {"id":143,"difficulty":"medium","question":"Solve: 5z + 5 = 2(z + 20)","options":{"A":"11","B":"12","C":"13","D":"14"},"correct_answer":"C"},
    {"id":144,"difficulty":"medium","question":"Solve: 6(a + 1) = 4a + 20","options":{"A":"6","B":"7","C":"8","D":"9"},"correct_answer":"C"},
    {"id":145,"difficulty":"medium","question":"Solve: (7b - 14)/7 = b - 2","options":{"A":"3","B":"4","C":"5","D":"6"},"correct_answer":"B"},

   {"id":146,"difficulty":"hard","question":"Solve: 3(2x - 5) + 4 = 2(x + 7)","options":{"A":"6","B":"7","C":"8","D":"9"},"correct_answer":"C"},
    {"id":147,"difficulty":"hard","question":"Solve: (5y - 3)/2 + (y + 1)/4 = 7","options":{"A":"4","B":"5","C":"6","D":"7"},"correct_answer":"C"},
    {"id":148,"difficulty":"hard","question":"Solve: 0.5(4a - 2) + 1 = 3a - 5","options":{"A":"2","B":"3","C":"4","D":"5"},"correct_answer":"B"},
    {"id":149,"difficulty":"hard","question":"Solve: (3m + 4)/5 - (m - 1)/2 = 1","options":{"A":"6","B":"7","C":"8","D":"9"},"correct_answer":"C"},
    {"id":150,"difficulty":"hard","question":"Solve: 2.5(2n - 4) = 3(n - 1) + 2","options":{"A":"5","B":"6","C":"7","D":"8"},"correct_answer":"C"}
 ]
}