Number Series Completion Practice Questions

1. What comes next in the sequence: 2, 4, 12, 48, 240, ...?

1440

1441

1442

1443

2. Find the next number in the series: 1, 5, 13, 25, 41, ...?

61

62

63

64

3. What number should come next in the sequence: 4, 7, 12, 19, 28, ...?

39

40

41

42

4. Find the next number in the series: 4, 6, 10, 18, 34, ...?

66

67

68

69

5. Complete the series: 1, 4, 13, 40, ...?

121

122

123

124

6. What number should come next in the sequence: 5, 10, 20, 35, 55, ...?

80

81

82

83

7. What's the next number in the sequence: 1, 5, 14, 30, 55, ...?

91

92

93

94

8. Complete the sequence: 2, 6, 12, 20, 30, ...?

42

43

44

45

9. What's the next number in the sequence: 3, 6, 11, 18, 27, ...?

38

37

36

35

10. Complete the series: 1, 8, 27, 64, 125, ...?

216

217

218

219