4
32
64
96
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Answer : Option D
Explanation :
Each term of the series is obtained by multiplying the preceding term by 2.So, 96 is wrong and must be replaced by (64 × 2) i.e., 128.
126
124
123
129
The correct pattern is + 1, - 2, + 3, - 4, + 5.So, 129 is wrong and must be replaced by (123 + 5) i.e., 128
16
22
45
70
Answer : Option B
The correct pattern is + 1, + 4, + 9, + 16, + 25 i.e., + 12 , + 22 , + 32 , + 42 , + 52.So, 22 is wrong and must be replaced by (16 + 4) i.e., 20.
105
60
0
- 45
Answer : Option C
The correct pattern is - 20, - 25, - 30, ............So, 0 is wrong and must be replaced by (30 - 35) i.e., - 5.
58
62
84
118
The correct pattern is + 2, + 4, + 8, + 16, + 32, + 64 i,e., + 2, + 22 , + 23 , + 24 , + 25 , + 26.So, 84 is wrong and must be replaced by (70 + 16) i.e., 86.
94
127
202
259
The correct pattern is - 66, - 55, - 44, - 33, - 22, - 11.So, 202 is wrong and must be replaced by (259 - 55) i.e., 204.
10
136
4116
The correct pattern is × 1 + 1, × 2 + 2, × 3 + 3, × 4 + 4, ..........So, 32 is wrong and must be replaced by (10 × 3 + 3) i.e., 33.
8
20
48
188
The correct pattern is - 192, - 96, - 48, - 24, - 12, - 6.So, 48 is wrong and must be replaced by (92 - 48) i.e., 44.
6
24
285
567
The correct pattern is ×6 -6, ×5 -5, ×4 -4, ×3 -3, . . . . .So, 24 is wrong and must be replaced by (6 × 5 - 5) i.e., 25
83
82
86
78
The correct pattern is - 11, + 9, - 7, + 5, - 3 + 1.So, 86 is wrong and must be replaced by (78 + 9) i.e., 87.
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