Number Series

1.		In the series: 3, 12, 27, 48, 75, 108,... What number should come next?

147

157

183

191

2.		Find the wrong term in the number series: 1, 3, 12, 25, 48, 75, 108

3

12

25

75

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

68

256

479

497

4.		Find the wrong term in the number series: 2, 5, 10, 17, 26, 37, 50, 64

5

17

37

64

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

10

32

685

4116

6.		In the series: 9, 27, 31, 155, 161, 1127,... What number should come next?

1285

1135

1298

2244

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

22

28

39

41

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

3502

3504

3506

3508

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

120

240

60

480

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

32

64

128

81