2, 4, 6, 8, 10, ... What number should come next?
2, 6, 18, 54, ... What number should come next?
2, 8, 14, 20, 26, 32, 38, ... choose which pair of numbers comes next?
2,5,9,?,20,27, what will replace the question mark ?
2/3, 4/7, 7/13, 11/21, ?
20 years ago, Antonys age was 1/2 of what his age now is. What is his age now?
20, 20, 17, 17, 14, 14, 11, ... choose which pair of numbers comes next?
201, 202, 204, 207, ... What number should come next?
21, 25, 18, 29, 33, 18, ... choose which pair of numbers comes next?
21, 9, 21, 11, 21, 13, 21, ... What number should come next?