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Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.
4 2 2 3 6 15 ?
A45
B18
C20
D25
Answer: Option A
Explanation:by dividing second digit to first digit we get this : 1/2, 1, 3/2, 2, 5/2, so there one gap is 1/2,3/2,5/2 and other is 1,2 so the next gap will be 3.
4 * 1/2 = 2
2 * 1 = 2
2 * 3/2 =3
3 * 2 = 6
6* 5/2=15
15 * 3 = 45
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62 / 82
Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.
123,444,888,1776,8547,?
A16500
B16005
C16000
D16040
Answer: Option B
Explanation:123+321=444, 444+444=888, 888+888=1776, 1776+6771=8547.
So,8547 + 7458 = 16005.
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63 / 82
Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.
18,10,80,88,10,2,16,24,8,0,0, ?
A10
B8
C0
D2
Answer: Option B
Explanation:The numbers in the series are as shown below:
18-8=10, 10*8=80, 80+8=88, 10-8=2, 2*8=16, 16+8=24.
8-8=0,0*8=0,So the next term is 0+8=8.
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64 / 82
Find the missing
2862, 3192, 3540, 3906, 4290, ? , 5112
A4526
B4434
C4780
D4692
Answer: Option D
Explanation:2+8+6+2 = 18 => 1+8 = 9
3+1+9+2 = 15 => 1+5 = 6
similarly combination is 9, 6, 3, 9,6,?,9
4+6+9+2 = 21 => 2+1 = 3
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65 / 82
Find the missing
4, 36, 144, ? , 900, 1764, 3136, 5184
A332
B394
C400
D420
Answer: Option C
Explanation:2^2, 6^2, 12^2, 20^2, 30^2, 42^2
+4, +6, +8, +10, +12
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66 / 82
Find the missing
2, 5, 9, ?, 20, 27
A14
B16
C18
D24
Answer: Option A
Explanation:The pattern is + 3, + 4, + 5, + 6,.....
So, missing term = 9 + 5 = 14.
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67 / 82
What is the next number?
11, 23, 47, 83, 131, ....
A145
B178
C176
D191
Answer: Option D
Explanation:23–11 = 12
47–23 = 24
83–47 = 36
131–83 = 48
Therefore, 131+60=191
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68 / 82
What is the next number in the given series?
70, 54, 45, 41,.....
A35
B36
C38
D40
Answer: Option D
Explanation:Consecutive squares are subtracted from the numbers.
70 - 54 = 16
54 - 45 = 9
45 - 41 = 4
So next we have to subtract 1.
So answer = 41 - 1 = 40
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69 / 82
What is the next number of the following sequence
125102550(?)
A125
B100
C150
D130
E120
Answer: Option A
Explanation:Consider the series as 1 2 5 10 25 50 ____
1*2 = 2
2*2.5 = 5
5*2 = 10
10*2.5 = 25
25*2 = 50
50*2.5 = 125
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70 / 82
What is the next number of the following sequence
1.5, 3, 9, 18, 54, 108,...?
A216
B324
C432
D162
E370
Answer: Option B
Explanation:5*2=3
3*3=9
9*2=18
18*3=54
54*2=108
108*3=324
Workspace
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