No student devices needed. Know more
10 questions
2, 5, 8, 11,...
Arithmetic
Geometric
Neither
−2, −10, −50, −250, ...
Arithmetic
Geometric
Neither
−9, −109, −209, −309, ...
Arithmetic
Geometric
Neither
−16, −6, 6, 16, ...
Arithmetic
Geometric
Neither
1, 1/2 , 0, −1/2 , ...
Arithmetic
Geometric
Neither
−1, −5, −25, −125, ...
Arithmetic
Geometric
Neither
−3, −1, −1/3 , −1/9, ...
Arithmetic
Geometric
Neither
375, 75, −75, −375, ...
Artihmetic
Geometric
Neither
1, 1, 2, 3, ...
Arithmetic
Geometric
Neither
4, 12, 36, 108, ...
Arithmetic
Geometric
Neither
Explore all questions with a free account