CogAT CogAT Quantitative Number Series

Question 1

What number comes next in the series: 2, 4, 6, 8, __?

Accepted Answer

10

Answer

9

Answer

11

Answer

12

Question 2

What number comes next in the series: 3, 6, 12, 24, __?

Accepted Answer

48

Answer

36

Answer

42

Answer

50

Question 3

What number comes next in the series: 100, 90, 80, 70, __?

Accepted Answer

60

Answer

55

Answer

65

Answer

50

Question 4

What number comes next in the series: 1, 4, 9, 16, __?

Accepted Answer

25

Answer

20

Answer

21

Answer

24

Question 5

What number comes next in the series: 5, 10, 20, 40, __?

Accepted Answer

80

Answer

60

Answer

70

Answer

75

Question 6

What number comes next in the series: 1, 1, 2, 3, 5, 8, __?

Accepted Answer

13

Answer

10

Answer

11

Answer

16