Number Series

1.		In the series: 2, 3, 3, 5, 10, 13, _, 43, 172, 177,... What number should fill in the blank?

22

28

39

41

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

807

1707

1307

1327

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

64

44

50

52

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

68

256

479

497

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

92

86

96

102

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

25

64

10

3

7.		In the series: 8, 28, 116, 584,... What number should come next?

3502

3504

3506

3508

8.		In the series: 1, 4, 10, 22, 46,... What number should come next?

88

84

94

100

9.		In the series: 8, 28, 116, 584,... What number should come next?

3502

3504

3506

3508

10.		In the series: 240, _, 120, 40, 10, 2,... What number should fill in the blank?

120

240

60

480