InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
C, Z, F, X, I, V, L, T, O, ?, ? |
| Answer» The given sequence is a combination of two series: I. C, F, I, L, O, ? and II. Z, X, V, T, ? | |
| 52. |
5, 27, 61, 122, 213, 340, 509 |
| Answer» The terms of the series are (23 - 3), (33 - 3), (43 - 3), (53 - 3), (63 - 3), (73 - 3), (83-3). So, 27 is wrong and must be replaced (33 - 3) i.e. 24. | |
| 53. |
380, 188, 92, 48, 20, 8, 2 |
| Answer» The correct pattern is - 192, - 96, - 48, - 24, - 12, - 6. So, 48 is wrong and must be replaced by (92 - 48) i.e. 44. | |
| 54. |
16, 22, 30, 45, 52, 66 |
| Answer» The correct pattern is + 6, + 8, + 10, + 12, + 14. So, 45 is wrong and must be replaced by (30 + 10) i.e. 40. | |
| 55. |
_ aa _ ba _ bb _ ab _ aab |
| Answer» The series is baab/baab/baab/baab. Thus, the pattern 'baab' is repeated. | |
| 56. |
c _ bba _ cab _ ac _ ab _ ac |
| Answer» The series is cabbac/cabbac/cabbac. Thus, the pattern 'cabbac' is repeated. | |
| 57. |
ba _ cb _ b _ bab _ |
| Answer» The series is babc/babc/babc. Thus, the pattern 'babc' is repeated. | |
| 58. |
_ bc _ ca _ aba _ c _ ca |
| Answer» The series is abc/bca/cab/abc/bca, Thus, the letters change places in a cyclic order. | |
| 59. |
ab _ _ baa _ _ ab _ |
| Answer» The series is aba/aba/aba/aba. Thus, the pattern 'aba' is repeated. | |
| 60. |
bca _ b _ aabc __ a __ caa |
| Answer» The series is bcaa/bcaa/bcaa/bcaa. Thus, the pattern 'bcaa' is repeated. | |
| 61. |
_ _aba _ _ ba _ ab |
| Answer» The series is ab/ab/ab/ab/ab/ab. Thus, the pattern 'ab' is repeated. | |
| 62. |
c _ bbb _ _ abbbb _ abbb _ |
| Answer» The series is cabbbb/cabbbb/cabbbb. Thus, the pattern 'cabbbb' is repeated. | |
| 63. |
_ bbca _ bcca _ ac _ a _ cb |
| Answer» The series is abbc/ac/bcca/ba/caab/cb. | |
| 64. |
a _ bbc _ aab _ cca _ bbcc |
| Answer» The series is aabbcc/aabbcc/aabbcc. Thus, the pattern 'aabbcc' is repeated. | |
| 65. |
ac _ cab _ baca _ aba _ acac |
| Answer» The series is acac/abab/acac/abab/acac. Thus, the pattern acac/abab is repeated | |
| 66. |
5, 10, 40, 80, 320, 550, 2560 |
| Answer» The correct pattern is x 2, x 4, x 2, x 4, ..... So, 550 is wrong and must be replaced by (320 x 2) i.e. 640. | |
| 67. |
2, 3, 4, 4, 6, 8, 9, 12, 16 |
| Answer» The given sequence is a combination of three series: I. 1st, 4th, 7th terms i.e. 2, 4, 9,..... II. 2nd, 5th, 8th terms i.e. 3, 6, 12,..... III. 3rd, 6th, 9th terms i.e. 4, 8, 16,..... In each one of I, II and III, each term is twice the preceding term. So, 9 is wrong and must be replaced by (4 x 2) i.e. 8. | |
| 68. |
11, 5, 20, 12, 40, 26, 74, 54 |
| Answer» The given sequence is a combination of two series : I. 11, 20, 40, 74 and II. 5, 12, 26, 54 The correct pattern in I is + 9, + 18, + 36,..... So, 40 is wrong and must be replaced by (20 + 18) i.e. 38. | |
| 69. |
2, 6, 24, 96, 285, 568, 567 |
| Answer» The correct pattern is x 6 - 6, x 5 - 5, x 4 - 4,..... So, 24 is wrong and must be replaced by (6 x 5 - 5) i.e. 25. | |
| 70. |
3, 2, 8, 9, 13, 22, 18, 32, 23, 42 |
| Answer» The given sequence is a combination of two series: I. 3, 8, 13, 18, 23 and II. 2, 9, 22, 32, 42 The pattern in I is + 5, and the pattern in II is + 10. So, in II, 9 is wrong and must be replaced by (2 + 10) i.e. 12. | |
| 71. |
196, 169, 144, 121, 101 |
| Answer» The sequence is (14)2, (13)2, (12)2, (11)2, (10)2. So, 101 is wrong and must be replaced by (10)2 i.e. 100. | |
| 72. |
56, 58, 62, 70, 84, 118, 182 |
| Answer» The correct pattern is + 2, + 4, + 8, + 16, + 32, + 64 i.e. + 2, + 22, + 23, + 24, + 25, + 26. So, 84 is wrong and must be replaced by (70 + 16) i.e. 86. | |
| 73. |
1, 5, 5, 9, 7, 11, 11, 15, 12, 17 |
| Answer» The given sequence is a combination of two series: I. 1, 5, 7, 11, 12 and II. 5, 9, 11, 15, 17 The pattern in both I and II is + 4, + 2, + 4, + 2. So, 12 is wrong and must be replaced by (11 + 2) i.e. 13. | |
| 74. |
6, 13,28,59,? |
| Answer» The pattern is x 2 + 1, x 2 + 2, x 2 + 3,..... So, missing term = 59 x 2 + 4 = 122. | |
| 75. |
4, 12, 36, 108, ? |
| Answer» The pattern is x 3. So, missing term = 108 x 3 = 324. | |
| 76. |
Which term of the series 5, 8, 11, 14,.....is 320? |
| Answer» Clearly, 5 + 3 = 8, 8 + 3 = 11, 11 + 3 = 14, ..... So, the series is an A.P. in which a - 5 and d = 3. Let 320 be the nth term of the series. Then, 320 = 5 + (n - 1) x 3 or (n - 1) = 105 or n = 106. | |
| 77. |
8, 9, 8, 7, 10, 9, 6, 11, 10, ?, 12 |
| Answer» The given sequence is a combination of three series : I. 1st, 4th, 7th, 10th terms i.e. 8, 7, 6, ? II. 2nd, 5th, 8th, 11th terms i.e. 9, 10, 11, 12 III. 3rd, 6th, 9th terms i.e. 8, 9, 10 The pattern in I is - 1. So, missing term = 6 - 1 = 5. | |
| 78. |
3, 7, 15, ?, 63, 127 |
| Answer» Each number in the series is one more than twice the preceding number. So, missing term = (15 x 2) + 1 = 31. | |
| 79. |
4, 10, ?, 82, 244, 730 |
| Answer» Each number in the series is 2 less than thrice the preceding number. So, missing number = (10 x 3) - 2 = 28. | |
| 80. |
1, 5, 13,25,41,? |
| Answer» The pattern is + 4, + 8, + 12, + 16...... So, missing term = 41 + 20 = 61. | |
| 81. |
325, 259, 204, 160, 127, 105, ? |
| Answer» The pattern is - 66, - 55, - 44, - 33, - 22, ..... So, missing term = 105 - 11 = 94. | |
| 82. |
4, 7, 12, 19, 28, ? |
| Answer» The pattern is + 3, + 5, + 7, + 9, ..... So, missing term = 28 + 11 = 39. | |
| 83. |
5760, 960, ?, 48, 16, 8 |
| Answer» The pattern is ÷ 6, ÷ 5, ÷ 4, ÷ 3, ÷ 2. So, missing term = 960 - 5 = 192. | |
| 84. |
ab _ aa _ bbb _ aaa _ bbba |
| Answer» The series is abb/aaabbb/aaaabbbb/a. Thus the letters are repeated twice, then thrice, then four times and so on. | |
| 85. |
_ nmmn _ mmnn _ mnnm _ |
| Answer» The series is nnmm/nnmn/nnmm/nnmm. Thus, the pattern 'nnmm' is repeated. | |
| 86. |
a _ n _ b _ _ ncb _ _ ncb |
| Answer» The series is abncb/abncb/abncb. Thus, the pattern 'abncb' is repeated. | |
| 87. |
a _ ba _ b _ b _ a _ b |
| Answer» The series is abb/abb/abb/abb. Thus, the pattern 'abb' is repeated. | |
| 88. |
cccbb _ aa _ cc _ bbbaa _ c |
| Answer» The series is ccc bbb aaa/ccc bbb aaa/c. Thus, the pattern ccc bbb aaa is repeated. | |
| 89. |
15, 16, 22, 29, 45, 70 |
| Answer» The correct pattern is + 1, + 4, + 9, + 16, + 25 i.e. + 12, + 22, + 32, + 42, + 52. So, 22 is wrong and must be replaced by (16 + 4) i.e. 20. | |
| 90. |
8, 14, 26, 48, 98, 194, 386 |
| Answer» The correct pattern is x 2 - 2. So, 48 is wrong and must be replaced by (26 x 2 - 2) i.e. 50. | |
| 91. |
3, 10, 27, 4, 16, 64, 5, 25, 125 |
| Answer» The correct sequence is 3, 32, 33, 4, 42, 43, 5, 52, 53. So, 10 is wrong and must be replaced by 32 i.e. 9. | |
| 92. |
1, 5, 9, 15, 25, 37, 49 |
| Answer» The terms of the given series are 12, (22 + 1), 32, (42..+ 1), 52, (62 + 1), 72. So, 15 is wrong and must be replaced by (42 + 1) i.e. 17. | |
| 93. |
4, 10, 22, 46, 96, 190, 382 |
| Answer» The correct pattern is + 6, + 12, + 24, + 48, + 96, + 192. So, 96 is wrong and must be replaced by (46 + 48) i.e. 94. | |
| 94. |
ab __ d __ aaba __ na _ badna _ b |
| Answer» The series is abadna/abadna/abadna/ab. Thus, the pattern 'abadna' is repeated. | |
| 95. |
m _ nm _ n _ an _ a _ ma _ |
| Answer» The series is man/man/man/man/man. Thus, the pattern 'man' is repeated. | |
| 96. |
_bcc _ ac _ aabb _ ab _ cc |
| Answer» The series is bbccaa/ccaabb/aabbcc. Thus, the letter pairs move in a cyclic order. | |
| 97. |
_ op _ mo _ n _ _ pnmop _. |
| Answer» The series is mopn/mopn/mopn/mopn. Thus, the pattern 'mopn' is repeated. | |
| 98. |
2, 5, 10, 50, 500, 5000 |
| Answer» Each term of the series is the product of the preceding two terms. So, 5000 is wrong and must be replaced by (50 x 500) i.e. 25000. | |
| 99. |
1,3,12,25,48 |
| Answer» The terms of the series are (l2 - 02), (22 - l2), (42 - 22), (62 - 32) and (82 - 42). So, 25 is wrong and must be replaced by (62 - 32) i.e. 27. | |
| 100. |
10, 18, 28, 40, 54, 70, ? |
| Answer» The pattern is + 8, + 10, + 12, + 14, ..... So, missing term = 70 + 18 = 88. | |