Number Series Quiz Questions for Competitive Exams
Number Series Quiz for SSC and Bank Exams
Q.1. Find the missing number in the given series
2, 7, 10, 22, 18, 37, 26, ?
(A) 52
(B) 42
(C) 62
(D) 46
Ans . A
There are two series here
2, 10, 18, 26, ... (Increase by 8)
7, 22, 37, ... (Increase by 15)
Hence, next term is 37+15 = 52
Q.2. Look at this series: 544, 509, 474, 439, ... What number should come next?
(A) 414
(B) 404
(C) 445
(D) 420
Ans . B
This is a simple subtraction series. Each number is 35 less than the previous number.
Q.3. Find the missing number in the given series
279936, 46656, 7776, 1296, 216, ?
(A) 46
(B) 60
(C) 66
(D) 36
Ans . D
Go on dividing by 6 to the next number
Q.4. Look at this series: 201, 202, 204, 207, ... What number should come next?
(A) 208
(B) 205
(C) 211
(D) 210
Ans . C
In this addition series, 1 is added to the first number; 2 is added to the second number; 3 is added to the third number; 4 is added to the fourth number; and go on.
Q.5. Find the missing number in the given series
12, 38, 116, 350, 1052, ?
(A) 2200
(B) 1800
(C) 3158
(D) 2800
Ans . C
12 × 3 + 2 = 38
38 × 3 + 2 = 116
116 × 3 + 2 = 350
350 × 3 + 2 = 1052
1052 × 3 + 2 = 3158
Q.6. Look at this series: 2, 4, 6, 8, 10, ... What number should come next?
(A) 12
(B) 11
(C) 14
(D) 13
Ans . A
This is a simple addition series. Each number increases by 2.
Q.7. Find the missing number in the given series
46080, 3840, 384, 48, 8, 2, ?
(A) 1/64
(B) 1
(C) 2
(D) 1/8
Ans . B
46080 /12 = 3840
3840 /10 = 384
384 /8 = 48
48 /6 = 8
8/4 = 2
2 /2 = 1
Q.8. Look at this series: 14, 28, 20, 40, 32, 64, ... What number should come next?
(A) 56
(B) 52
(C) 128
(D) 96
Ans . A
This is an alternating multiplication and subtracting series: First, multiply by 2 and then subtract 8.
Q.9. Find the missing number in the given series
5,28,57,88,125
(A) 147
(B) 156
(C) 186
(D) 166
Ans . D
28=23+5
57=29+28
88=31+57
125=37+88
166=41+125
Q.10. Look at this series: 1.5, 2.3, 3.1, 3.9, ... What number should come next?
(A) 4.4
(B) 4.2
(C) 5.1
(D) 4.7
Ans . D
In this simple addition series, each number increases by 0.8.
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Vikram Singh
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