12
11
24
The number that comes next in the series 1 2 2 5 3 10 is 7. You get this number by subtracting the number 3 from the number 10.
The next number is the sequence 236175969, 48, 12 is 236175861.
The number 7 comes next.
26
The series seems to be "add 3," so the next number in the series would be 12 followed by 15.
9
132
12
11
144 = 12 x 12 121 = 11 x 11 100 = 10 x 10 81 = 9 x 9 64 = 8 x 8 49 = 7 x 7