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11. Find the wrong number in the given series.
3, 4, 10, 32, 136, 685, 4116
Answer: Option B
Explanation:The sequence is as follows :
2nd term = (1st term 1) * 1
3rd term = (2nd term 1) * 2
4th term = (3rd term 1) * 3 and so on.
So, 32 is wrong and must be replaced by (10 1) * 3 i.e. 33.
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Tags: IBM
12. 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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Tags: IBM
13. Find the wrong number in the given series.
93, 309, 434, 498, 521, 533
14. 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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Tags: IBM
15. 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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Tags: IBM
16. 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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Tags: IBM
17. Find the next term of the following series.
2.2,5.5,8,36,40.5,263.25,?
Answer: Option A
Explanation:5.5 = 2.2 * 2.5
8 = 5.5 + 2.5
36 = 8 * 4.5
40.5 = 36 + 4.5
263.25 = 40.5 * 6.5
The next number should be: 263.25 + 6.5 = 269.75.
Workspace
Tags: IBM
18. 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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Tags: IBM
19. Find the next term of the following series.
28,14,15,22.5,24.5,61.25,64.25,?
Answer: Option C
Explanation:28*0.5=14
15*1.5=22.5
24.5*2.5=61.25
64.25*3.5=224.875.
Workspace
Tags: IBM
20. What will be the missing number in the following series??
4,18,_____,100,180,294.
Answer: Option D
Explanation:2x2x1=4;
3x3x2=18;
4x4x3=48;
5x5x4=100;
6x6x5=180;
7x7x6=294;
so answer is (d) 48.
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Tags: IBM