Reasoning

Next: 4, 21, 38, 55, ?

A 56
B 72
C 89
D 106

Next: 8, 16, 32, 64, ?

A 96
B 112
C 128
D 144

Next: 27, 38, 49, 60, ?

A 71
B 61
C 82
D 93

Next: 4, 14, 24, 34, ?

A 35
B 44
C 54
D 64

Next: 11, 23, 35, 47, ?

A 59
B 48
C 71
D 83

Next: 35, 49, 63, 77, ?

A 91
B 78
C 105
D 119

Next: 12, 24, 48, 96, ?

A 144
B 168
C 192
D 216

Next: 2, 4, 8, 16, ?

A 28
B 32
C 24
D 36

Next: 5, 10, 20, 40, ?

A 80
B 70
C 60
D 90

Next: 13, 26, 52, 104, ?

A 208
B 182
C 156
D 234

Next: 16, 32, 64, 128, ?

A 192
B 224
C 256
D 288

Next: 28, 40, 52, 64, ?

A 65
B 76
C 88
D 100

Next: 10, 20, 40, 80, ?

A 140
B 160
C 120
D 180

Next: 3, 6, 12, 24, ?

A 48
B 42
C 36
D 54

Next: 4, 15, 26, 37, ?

A 38
B 48
C 59
D 70

Next: 14, 28, 56, 112, ?

A 168
B 196
C 224
D 252

Next: 18, 25, 32, 39, ?

A 60
B 40
C 53
D 46

Next: 2, 6, 10, 14, ?

A 26
B 15
C 22
D 18

Next: 34, 40, 46, 52, ?

A 70
B 53
C 64
D 58

Next: 3, 13, 23, 33, ?

A 43
B 34
C 53
D 63

Next: 26, 31, 36, 41, ?

A 56
B 42
C 51
D 46

Next: 27, 43, 59, 75, ?

A 91
B 76
C 107
D 123

Next: 2, 10, 18, 26, ?

A 50
B 27
C 42
D 34

Next: 26, 42, 58, 74, ?

A 122
B 75
C 106
D 90

Next: 2, 5, 8, 11, ?

A 20
B 12
C 17
D 14