Reasoning Aptitude > Logical Reasoning
NUMBER AND LETTER SERIES : LOGICAL REASONING MCQs
Number Series, Letter Series
Total Questions : 300
| Page 1 of 30 pages
Answer: Option C. -> 31
- Each term in the series is increased by 3 to obtain the next term. So 31 is wrong and must be replaced by (27+3)= 30
- Each term in the series is increased by 3 to obtain the next term. So 31 is wrong and must be replaced by (27+3)= 30
Answer: Option A. -> 80
- The sequence is (14)2, (13)2, (12)2, (11)2, (10)2 hence 80 is wrong and must be rplaced by 100.
- The sequence is (14)2, (13)2, (12)2, (11)2, (10)2 hence 80 is wrong and must be rplaced by 100.
Answer: Option D. -> 9
- The series consists of consecutive prime numbers. So 9 is wrong.
- The series consists of consecutive prime numbers. So 9 is wrong.
Answer: Option C. -> 186
- Each term in the series is increased by 22 to obtain the next term. So 186 is wrong and must be replaced by (165+22) = 187
- Each term in the series is increased by 22 to obtain the next term. So 186 is wrong and must be replaced by (165+22) = 187
Answer: Option D. -> 96
- Each term of the series is obtained by multiplying the preceding term by 2.So, 96 is wrong answer and must be replaced by (64x2)=128
- Each term of the series is obtained by multiplying the preceding term by 2.So, 96 is wrong answer and must be replaced by (64x2)=128
Answer: Option B. -> 48
- Each term in the series is less than twice the preceding term by 2.So 48 is wrong answer and must be replaced by (26x2 - 2) = 50
- Each term in the series is less than twice the preceding term by 2.So 48 is wrong answer and must be replaced by (26x2 - 2) = 50
Answer: Option D. -> 47
- The sequence is +5, +8, +11, hence 47 is the wrong answer and must be replaced by (32+14) = 46
- The sequence is +5, +8, +11, hence 47 is the wrong answer and must be replaced by (32+14) = 46
Answer: Option C. -> 10
- The correct sequence is 3, 32, 33, 4, 42, 43, 5, 52, 53 therefore 10 is wrong and must be replaced by 32 i.e. 9.
- The correct sequence is 3, 32, 33, 4, 42, 43, 5, 52, 53 therefore 10 is wrong and must be replaced by 32 i.e. 9.
Answer: Option C. -> 48
- Each term in the series is four more than two times the next term. So 48 is wrong and must be replaced by (20 x 2 + 4) = 44
- Each term in the series is four more than two times the next term. So 48 is wrong and must be replaced by (20 x 2 + 4) = 44
Answer: Option C. -> 27
- The sequence is +2, +4, +8, …. i.e. 2, +(2)2, +(2)3, …… so 27 is wrong and must be replaced by (15+(2)4 i.e., (15+16) or 31.
- The sequence is +2, +4, +8, …. i.e. 2, +(2)2, +(2)3, …… so 27 is wrong and must be replaced by (15+(2)4 i.e., (15+16) or 31.
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