Top 100+ Number Series Questions for SSC, Bank Exams - 3
Question: 11
(2, 3), (3, 5), (5, 7), (7, 11), (11, 13), (.....)
(A) (13, 15)
(B) (13, 17)
(C) (13, 19)
(D) (15, 16)
Ans: B
The given sequence consists of pairs of consecutive prime numbers.
Question: 12
In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and fill in the blank spaces.
3, 12, 27, 48, 75, 108, (......)
(A) 192
(B) 183
(C) 162
(D) 147
Ans: D
The numbers are 3 x 12, 3 x 22, 3 x 32, 3 x 42, 3 x 52, 3 x 62,
Therefore Missing number = 3 x 72 = 3 x 49 = 147.
Question: 13
In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and fill in the blank spaces.
3, 6, 5, 20, 7, 42, 9, (.....)
(A) 54
(B) 60
(C) 66
(D) 72
Ans: D
The sequence is a combination of two series:
I. 1, 3, 5, 7, 9 and
II. II. 6, 20, 42, (.....)
The pattern followed in II is +14, +22, ......
∴ Missing number = 42 + 30 = 72.
Question: 14
In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and fill in the blank spaces.
563, 647, 479, 815, (.....)
(A) 143
(B) 279
(C) 386
(D) 672
Ans: A
The pattern is +84, - 168, +336, .... i.e. +84, -(84x2), +(84x22), .....
Therefore, Missing number = 815 - (84x23) = 815 - 672 = 143.
Question: 15
In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and fill in the blank spaces.
0, 2, 8, 14, (.....), 34
(A) 18
(B) 20
(C) 22
(D) 24
Ans: D
The numbers are 12 - 1, 22 - 1, 32 - 1, 42 - 2, ....
∴ Missing number = 52 - 1 = 24.
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