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Number Series - Questions and Answers

Practice questions on Number Series.

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1. 4, 7, 12, �.., 28, 39
A. 19
B. 24
C. 14
D. 16
E. None of these
Explanation: ANSWER : 19 Explanation : . Series proceeds with a difference of 3, 5, 7, 9, 11, respectively. Hence, the missing number will be 19.
2. 121, 112, ��., 97, 91, 86
A. 102
B. 108
C. 99
D. 104
E. 101
Explanation: ANSWER : 104 Explanation : . Series is written in descending order with a difference of 9, 8, 7, 6 and 5, respectively. Hence, the missing number will be 104.
3. 16, 22, 34, 58, 106, ��, 394
A. 178
B. 175
C. 288
D. 170
E. 202
Explanation: ANSWER : 202 Explanation : . Series moves with a difference of 6, 12, 24, 48, 96. Hence, the missing number is 202.
4. 5, 7, 11, 19, 35, 67, ��., 259
A. 64
B. 131
C. 135
D. 32
E. None of these
Explanation: ANSWER : 131 Explanation : . Series moves with a difference of 2, 4, 8, 16, 32, 64. Hence, the missing number will be 67 + 64 = 131.
5. 2, �., 8, 16, 32, 64, 128, 256
A. 2
B. 3
C. 5
D. 4
E. None of these
Explanation: ANSWER : 4 Explanation : . Each number of the series is the double of the preceding number. Hence, the missing number will be 4.
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