BANK & INSURANCE (WRONG NUMBER SERIES PART 3)Total Questions: 5041. 12, 22, 43, 75, 108, 172(a) 108(b) 12(c) 43(d) 75Correct Answer: (a) 108Solution:12 + 10 = 2222 + 21 = 4343 + 32 = 7575 + 43 = 118 ❌ (given 108)118 + 54 = 172Differences should be: 10, 21, 32, 43, 54 (increase by +11 each time)Correct series should be: 12, 22, 43, 75, 118, 172Given 108 is wrong.42. 227, 222, 210, 199, 157, 112(a) 227(b) 199(c) 222(d) 112Correct Answer: (b) 199Solution:227 − 5×1 = 222222 − 6×2 = 210210 − 7×3 = 189 ❌ (given 199)189 − 8×4 = 157157 − 9×5 = 112Correct series should be: 227, 222, 210, 189, 157, 112Given 199 is wrong.43. 7, 5, 12, 34, 138, 692(a) 7(b) 5(c) 692(d) 138Correct Answer: (c) 692Solution:7 × 1 − 2 = 55 × 2 + 2 = 1212 × 3 − 2 = 3434 × 4 + 2 = 138138 × 5 − 2 = 688 ❌ (given 692)Correct series should be: 7, 5, 12, 34, 138, 688Given 692 is wrong.44. 9, 13, 22, 47, 98, 217(a) 13(b) 47(c) 217(d) 98Correct Answer: (d) 98Solution:Differences follow squares: 2², 3², 5², 7², 11² (primes squared pattern)Correct flow should be:9 + 2² = 1313 + 3² = 2222 + 5² = 4747 + 7² = 9696 + 11² = 217Correct series: 9, 13, 22, 47, 96, 217Given 98 is wrong.45. 7, 15, 31, 63, 87, 127(a) 63(b) 15(c) 31(d) 127Correct Answer: (a) 63Solution:7 + 4×2 = 1515 + 4×4 = 3131 + 4×6 = 55 ❌ (given 63)55 + 4×8 = 8787 + 4×10 = 127Correct series should be: 7, 15, 31, 55, 87, 127Given 63 is wrong.46. 92, 109, 72, 129, 62, 149(a) 92(b) 62(c) 129(d) 149Correct Answer: (b) 62Solution:Correct smooth pattern :17, 37, 57, 77, 97 (increase by +20 each time)Now apply correctly:92 + 17 = 109109 − 37 = 7272 + 57 = 129129 − 77 = 52 ❌ (given 62)So break starts at 62.Correct series should be: 92, 109, 72, 129, 52, 149Given 62 is wrong.47. 125, 155, 215, 305, 425, 555(a) 125(b) 215(c) 555(d) 305Correct Answer: (c) 555Solution:125 + 30 = 155155 + 60 = 215215 + 90 = 305305 + 120 = 425425 + 150 = 575 ❌ (given 555)Differences:30, 60, 90, 120, 150 (increase by +30 each time)Correct series should be: 125, 155, 215, 305, 425, 575Given 555 is wrong.48. 102, 115, 132, 151, 174, 203(a) 102(b) 132(c) 203(d) None of theseCorrect Answer: (d) None of theseSolution:Full prime sequence after 13 should be:13, 17, 19, 23, 29Series follows perfectly.102 + 13 = 115115 + 17 = 132132 + 19 = 151151 + 23 = 174174 + 29 = 203Series is correct.49. 74, 70, 81, 63, 88, 52(a) 81(b) 70(c) 88(d) 63Correct Answer: (a) 81Solution:74 − 2² = 7070 + 3² = 79 ❌ (given 81)79 − 4² = 6363 + 5² = 8888 − 6² = 52Correct series should be: 74, 70, 79, 63, 88, 52Given 81 is wrong.50. 120, 140, 180, 220, 320, 420(a) 120(b) 220(c) 180(d) 420Correct Answer: (b) 220Solution:120 + 20 = 140140 + 40 = 180180 + 60 = 240 ❌ (given 220)240 + 80 = 320320 + 100 = 420Differences should be:20, 40, 60, 80, 100 (increase by +20 each time)Correct series should be: 120, 140, 180, 240, 320, 420Given 220 is wrong.Submit Quiz« Previous12345