Reasoning Aptitude
NUMBER SERIES COMPLETION MCQs
Total Questions : 501
| Page 44 of 51 pages
Answer: Option A. -> W26
In this series, the letters progress by 1; the numbers decrease by 3.
In this series, the letters progress by 1; the numbers decrease by 3.
Answer: Option A. -> 27
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
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
Answer: Option C. -> 186
Each term in the series is obtained by adding 22 to the preceding term.So, 186 is wrong and must be replaced by (165 + 22) i.e., 187.
Each term in the series is obtained by adding 22 to the preceding term.So, 186 is wrong and must be replaced by (165 + 22) i.e., 187.
Answer: Option B. -> 45
The correct pattern is + 6, + 8, + 10, + 12, + 14.
So, 45 is wrong and must be replaced by (30 + 10) i.e., 40.
The correct pattern is + 6, + 8, + 10, + 12, + 14.
So, 45 is wrong and must be replaced by (30 + 10) i.e., 40.
Answer: Option B. -> 386
Each term of the series is obtained by dividing the preceding term by 4.
So, 1536 is wrong and must be replaced by (1536 ÷ 4) i.e., 384.
Each term of the series is obtained by dividing the preceding term by 4.
So, 1536 is wrong and must be replaced by (1536 ÷ 4) i.e., 384.
Answer: Option C. -> 165
The terms of the series are product of two consecutive prime numbers i.e., (2 × 3), (3 × 5), (5 × 7), (7 × 11),...........So, 165 is wrong and must be replaced by (11 × 13) i.e., 143.
The terms of the series are product of two consecutive prime numbers i.e., (2 × 3), (3 × 5), (5 × 7), (7 × 11),...........So, 165 is wrong and must be replaced by (11 × 13) i.e., 143.
Answer: Option B. -> 48
The correct pattern is × 2, - 2.......So, 48 is wrong and must be replaced by (26 × 2 - 2) i.e., 50.
The correct pattern is × 2, - 2.......So, 48 is wrong and must be replaced by (26 × 2 - 2) i.e., 50.
Answer: Option D. -> 654
The correct pattern is × 3, - 4,............
So, 654 is wrong and must be replaced by (218 × 3 - 4) i.e., 650.
The correct pattern is × 3, - 4,............
So, 654 is wrong and must be replaced by (218 × 3 - 4) i.e., 650.
Answer: Option D. -> 47
The correct pattern is + 5, + 8, + 11, + 14, ............So, 47 is wrong and must be replaced by (32 + 14) i.e., 46
The correct pattern is + 5, + 8, + 11, + 14, ............So, 47 is wrong and must be replaced by (32 + 14) i.e., 46
Answer: Option D. -> 356
The correct pattern is × 2 + 1, × 3 + 1, × 2 + 1, × 3 + 1,...........So, 356 is wrong and must be replaced by (129 × 3 + 1) i.e., 388.
The correct pattern is × 2 + 1, × 3 + 1, × 2 + 1, × 3 + 1,...........So, 356 is wrong and must be replaced by (129 × 3 + 1) i.e., 388.
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