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Logical Reasoning :: Number Series

Home > Logical Reasoning > Number Series > General Questions

11. Find the wrong number in the given series.
1, 5, 5, 9, 7, 11, 11, 15, 12, 17

Answer: Option B

Explanation:

1,5 distance 4



5,9 distance 4



7,11 distance 4



11,15 distance 4



12,17 distance 4 its not true



and the another ans is 12 is the evene remaining all odd

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12. Find the wrong number in the given series.
93, 309, 434, 498, 521, 533

Answer: Option D

Explanation:

Here is no explanation for this answer

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13. Find the next term of the following series.
1,2,3,2,4,6,4,8,_____?

Answer: Option B

Explanation:

(1 to 3 terms ) diffrence is 1



(4 to 6 terms) difrence is 2



(6 to 8) diffrence is 4 

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14. Find the next term of the following series.
23,8,34,81,33,_____?

Answer: Option B

Explanation:

2^3=8(2nd term);



3^4 =81 (4th term);



3^3=27(6th);

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15. Find the next term of the following series.
0,1,2,0.5,2,3,5,1,2,0,2,1,4,2,3,?

Answer: Option C

Explanation:

1st term 2nd term/3rd term=4th term



5th 6th /7th=8th term



 

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16. Find the next term of the following series.
2,7,36,4,14,225,6,21,?

Answer: Option A

Explanation:

2,4,6..............is one series



7,14,21......................another



36,225, (24^2)=576, another



 

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17. 

Find the next term of the following series.



2,9,5,49,11,169,?


Answer: Option B

Explanation:

In a series of prime numbers 2 , 3 , 5 , 7 , 11 , 13 , 17 , 19 , 23 , 29 , 31 , 37



In this given series, the first number is kept such and the next number is squared so the series follows with alternative prime numbers having its square value like given below



2 , 9 ,5 , 49 , 11 , 169 , 17 , 361 , 23 , 841 , 31 , 1369…

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18. Find the next term of the following series.
2,6,5,14,11,26,17,?

Answer: Option D

Explanation:

2,3*2=6,5,7*2=14,11,13*2=26,17,19*2=38


so 38 is the answer

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19. Find the next term of the following series.
7,0,1,8,5,12,9,26,3,23,2,?

Answer: Option B

Explanation:

sum of three number is fourth number

7+0+1=8

After that,

5 + 12 +9 = 26

Therefore,

3 + 23 +2 = 28.


So the answer should be 28.

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20. Find the next term of the following series. 5,16,22,68,28,87,34,106,11,?

Answer: Option A

Explanation:

5*3+1=16

22*3+2=68

28*3+3=87

34*3+4=106

So, 11*3+5=38

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