100+ Number Series Questions & Answers for Bank Exams - 1

Question: 1

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.
9, 11, 20, 31, (....), 82

(A) 31

(B) 41

(C) 51

(D) 61

Ans: C

Each term in the series is the sum of the preceding two terms.
∴ Missing number = 20 + 31 = 51.

Question: 2

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.
6, 13, 28, (.....)

(A) 55

(B) 56

(C) 59

(D) 61

Ans: C

The pattern is x 2 + 1, x 2 + 2, .....
∴ Missing number = 28 x 2 + 3 = 59.

Question: 3

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.
2, 15, 41, 80, (.....)

(A) 110

(B) 121

(C) 132

(D) 146

Ans: C

The pattern is + 13, +26, +39, .....
∴ Missing number = 80 + 52 = 132.

Question: 4

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.
2, 5, 9, (.....), 20, 27

(A) 13

(B) 14

(C) 18

(D) 20

Ans: B

The pattern is +3, +4,.....
∴ Missing number = 9 + 5 = 14.

Question: 5

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.
20, 19, 17, (....), 10, 5

(A) 12

(B) 13

(C) 14

(D) 15

Ans: C

The pattern is -1, -2, .....
∴ Missing number = 17 - 3 = 14.

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