1.
What is the next number in the series?
84 74 64 54 44 ___
2.
What is the next number in the series?
58 62 66 70 74 ___
3.
What is the next number in the series?
4 6 9 13 18 ___
4.
What is the next number in the series?
2 4 8 16 32 ____
5.
What is the next number in the series?
50 5 0.5 0.05 0.005 ___
6.
What is the next number in the series?
105 85 65 45 25 _____
7.
What is the next number in this series?
8 6 4 2 0 __
8.
What is the next number in the series?
1 4 8 13 19 26 ___
9.
Please choose one correct answer
1 | 8 | 48 | 192 | 384 | ?
10.
Please choose one correct answer
1 | ? | 5 | ? | 9 | 11