BANK & INSURANCE (WRONG NUMBER SERIES PART 3)Total Questions: 501. 2, 4, 8, 48, 240, 1440(a) 8(b) 48(c) 1440(d) 2Correct Answer: (a) 8Solution:2 × 2 = 44 × 3 = 12 ❌ (given 8)12 × 4 = 4848 × 5 = 240240 × 6 = 1440Correct series should be: 2, 4, 12, 48, 240, 1440Given 8 is wrong.2. 5, 12, 26, 60, 110, 222(a) 12(b) 60(c) 222(d) 26Correct Answer: (b) 60Solution:5 × 2 + 2 = 1212 × 2 + 2 = 2626 × 2 + 2 = 54 ❌ (given 60)54 × 2 + 2 = 110110 × 2 + 2 = 222Correct series should be: 5, 12, 26, 54, 110, 222Given 60 is wrong.3. 12, 17, 27, 52, 62, 87(a) 17(b) 27(c) 52(d) 87Correct Answer: (c) 52Solution:12 + 5×1 = 1717 + 5×2 = 2727 + 5×3 = 42 ❌ (given 52)42 + 5×4 = 6262 + 5×5 = 87Correct series should be: 12, 17, 27, 42, 62, 87Given 52 is wrong.4. 20, 31, 24, 35, 28, 46(a) 20(b) 24(c) 28(d) 46Correct Answer: (d) 46Solution:20 + 11 = 3131 − 7 = 2424 + 11 = 3535 − 7 = 2828 + 11 = 39 ❌ (given 46)Correct series should be: 20, 31, 24, 35, 28, 39Given 46 is wrong.5. 18, 22, 13, 29, 14, 40(a) 14(b) 18(c) 13(d) 40Correct Answer: (a) 14Solution:18 + 2² = 2222 − 3² = 1313 + 4² = 2929 − 5² = 4 ❌ (given 14)4 + 6² = 40Correct series should be: 18, 22, 13, 29, 4, 40Given 14 is wrong.6. 25, 26, 30, 39, 55, 78(a) 25(b) 78(c) 26(d) 39Correct Answer: (b) 78Solution:25 + 1² = 2626 + 2² = 3030 + 3² = 3939 + 4² = 5555 + 5² = 80 ❌ (given 78)Correct series should be: 25, 26, 30, 39, 55, 80Given 78 is wrong.7. 18, 19, 22, 27, 35, 43(a) 18(b) 19(c) 35(d) 43Correct Answer: (c) 35Solution:18 + 1 = 1919 + 3 = 2222 + 5 = 2727 + 7 = 34 ❌ (given 35)34 + 9 = 43Correct series should be: 18, 19, 22, 27, 34, 43Given 35 is wrong.8. 14, 15, 19, 28, 44, 72(a) 14(b) 15(c) 44(d) 72Correct Answer: (d) 72Solution:14 + 1² = 1515 + 2² = 1919 + 3² = 2828 + 4² = 4444 + 5² = 69 ❌ (given 72)Correct series should be: 14, 15, 19, 28, 44, 69Given 72 is wrong.9. 200, 201, 203, 215, 228, 245(a) 203(b) 200(c) 201(d) 245Correct Answer: (a) 203Solution:200 + 1 = 201201 + 5 = 206 ❌ (given 203)206 + 9 = 215215 + 13 = 228228 + 17 = 245Correct series should be: 200, 201, 206, 215, 228, 245Given 203 is wrong.10. 20, 21, 23, 29, 64, 173(a) 20(b) 64(c) 23(d) 173Correct Answer: (b) 64Solution:20 + 1 = 2121 + 2 = 2323 + 6 = 2929 + 24 = 53 ❌ (given 64)53 + 120 = 173Observe factorial pattern in differences:1 = 1!2 = 2!6 = 3!24 = 4!120 = 5!Correct series should be: 20, 21, 23, 29, 53, 173Given 64 is wrong.Submit Quiz12345Next »
20 + 1 = 2121 + 2 = 2323 + 6 = 2929 + 24 = 53 ❌ (given 64)53 + 120 = 173Observe factorial pattern in differences:1 = 1!2 = 2!6 = 3!24 = 4!120 = 5!Correct series should be: 20, 21, 23, 29, 53, 173Given 64 is wrong.