0, ?, 8, 15, 24
0.15, 0.3, _, 1.2, 2.4. What number should fill the blank?
0.5, 0.55, 0.65, 0.8, (…..)
0.5, 0.55, 0.65,0.8,?
1, 10, 7, 20, 13, 30, 19, ... choose which pair of numbers comes next?
1, 3, 5, 7, ? , 13
1, 9, 25, ?, 81
1,121, 441, 961, 1681, ?
1.5, 2.3, 3.1, 3.9, ... What number should come next?
10, 20, 25, 35, 40, 50, 55, ... choose which pair of numbers comes next?