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# Placement Questions & Answers :: IBM

## Total View: 69.32K

#### Co. Cloud

Not Attempted

31. Find the next term of the following series.
1370 , 1320 , 1070 , -180 ?

Explanation:

1370,1320,1070,-180,?
1370-50*(5^0)=1320
1320-50*(5^1)=1070
1070-50*(5^2)=-180
-180-50*(5^3)=-6430.
So next occurrence in series will be -6430.

Tags: IBM

Not Attempted

32. Find the next term of the following series.
32,0.2,160,15,0.5,30,28,0.7,?

Explanation:

Break the series as below
32,0.2,160 / 15,0.5,30 / 28,0.7,?
32 / 0.2 => 320/2= 160,
similarly for next
15 / 0.5 => 150/5 = 30
28 / 0.7 => 280/7 = 40

Tags: IBM

Not Attempted

33. Find the next term of the following series.
3,8,12,48,29 ?

Explanation:

1^2+2=3
2^2*2=8
3^2+3=12
4^2*3=48
5^2+4=29
6^2*4=144

Tags: IBM

Not Attempted

34. Find the next term of the following series.
1,2,3,5,7,10,13,17,?

Explanation:

In the given series find the difference between numbers.
1, 2 difference = 1
2, 3 difference = 1
3, 5 difference = 2
5, 7 difference = 2
7, 10 difference = 3
10, 13 difference = 3
13, 17 difference = 4
So next number will be 17 + 4 = 21

Tags: IBM

Not Attempted

35. Find the next term of the following series.
21,24,25,26,22,25,26,?

Explanation:

21 / 24,25,26 / 22 / 25,26 / 23
+1 in First sub-series

Tags: IBM

Not Attempted

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

Explanation:

2, 7, 36, 4, 14, 225, 6, 21, ?
Break the above series as below
2, 4, 6 -------- (1)
7,14,21 -------- (2)
6^2, 15^2 ------- (3)
from (3) 6,15, diff is (+9) so it will 15+9 = 24
24^2 = 576

Tags: IBM

Not Attempted

37. Find the next terms of the following series.
33,8,41,46,21,67,72,47,119,124,?,?

Explanation:

Arrange the series as below
(33,8,41),(46,21,67),(72,47,119),(124,?,?)
For each group:
33 - 8 = 25
33 + 8 = 41
Similarly for other groups
46 - 21 = 25
46 + 21 = 67
so for next occurrence
124 - 25 = 99
124 + 99 = 223

Tags: IBM

Not Attempted

38. Find the next term of the following series.
21,22,24,27,31,?

Explanation:

+1, +2, +3, +4, +5

Tags: IBM

Not Attempted

39. Find the next term of the following series.
36,22,35,23,34,24,33,?

Explanation:

Break the series as below.
__,22,__,23,__,24,__,25
36,__,35,__,34,__,33,

Tags: IBM

Not Attempted

40. Find the next term of the following series.
23,36,37,25,40,41,27,?