Verbal Reasoning Test - Number Series Questions

1) 4, 7, 11, 18, 29, 47, ...... 123, 199 ?

1. 76
2. 70
3. 84
4. 95
5. 102

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Answer = A 
Explanation: 3rd number is the sum of 1st and 2nd, 4th number is the sum of and and 3rd and so on

2) 2, 6, 12, 20, ...... , 42, 56, 72, 90 ?

1. 20
2. 21
3. 30
4. 12
5. 23

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Answer = C 
Explanation: Series moves with the increasing difference by 2

3) 17, 7, 24, 19, 9, 28,......, 8, 31, 27, 10, 37 ?

1. 20
2. 21
3. 18
4. 12
5. 23

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Answer = E 
Explanation: Each third number is the sum of preceding two numbers.

4) 6, 126, ...... 9, 108, 12, 7, 133, 19, 12, 72, 6?

1. 21
2. 23
3. 30
4. 35
5. 40

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Answer = A 
Explanation:The number in between is the product if two adjacent numbers. Hence the product of 6 and 21 is 126.

5) 2, ........, 8, 16, 32, 64, 128, 256 ?

1. 2
2. 3
3. 5
4. 4
5. None

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Answer = D

6) 45, 54, 47, ......, 49, 56, 51, 57, 53?

1. 48
2. 55
3. 50
4. 53
5. None of above

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Answer = B 
Explanation: There are two alternative series one from left side moves with the difference of 1 that is 54, 55, 56, 57 .... and second from the left side moves with the difference of 2 i.e 45, 47, 49, ...

7)  3, 128, 6, 64, 9, ......, 12, 16, 15, 8 ?

1. 32
2. 12
3. 108
4. 72
5. 64

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Answer = A 
Explanation:The are two alternative series 3,6,9,12,15 and 8,16,32,64

8)  5, 7, 11, 19, 35, 67, ......., 259 ?

1. 64
2. 131
3. 32
4. 135
5. None of above

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Answer = B 
Explanation: Series moves with the difference of 2, 4, 8, 16, 32, 64

9) 8, 4, 12, 6, 18, ......., 27 ?

1. 10
2. 12
3. 18
4. 24
5. None of above

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Answer = E 
Explanation: 3rd,5th and 7th numbers are the sum of preceding two numbers hence 18+9 = 27. But 9 is not in the give options so correct ans is none of above

10) 16, 22, 34, 58, 106, ......, 394 ?

1. 178
2. 175
3. 288
4. 170
5. 202

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Answer =  E 
Explanation: Series moves with the difference of 6,12,24,48,96

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