Number Series

1.		In the series: 1, 1, 4, 9, 27, 16,... What number should come next?

32

64

128

81

2.		In the series: 625, 5, 125, 25, 25, _, 5,... What number should fill in the blank?

5

25

125

2.5

3.		In the series: 2, 7, 27, 107, 427,... What number should come next?

807

1707

1307

1327

4.		In the series: 3, 7, 23, 95,... What number should come next?

68

256

479

497

5.		Find the wrong term in the number series: 3, 4, 10, 32, 136, 685, 4116

10

32

685

4116

6.		In the series: 2, 2, 5, 13, 28,... What number should come next?

56

58

54

52

7.		In the series: 1, 3, 4, 8, 15, 27,... What number should come next?

64

44

50

52

8.		In the series: 48, 24, 96, 48, 192,... What number should come next?

92

86

96

102

9.		In the series: 1, 5, 14, 30, 55, 91,... What number should come next?

132

140

151

162

10.		Find the wrong term in the number series: 3, 10, 27, 4, 16, 64, 5, 25, 125

25

64

10

3