20
alternate numbers and double difference
6 / 8 / 12 = +2 / +4 / so +8 next = 12 + 8 = 20
(3 / 4 / 6 / 10 = +1 / +2 / +4 / so same again = 10 + 8 = 18
3 6 4 8 6 12 10 20 18 36 34 68 66
12
12
The rule of this pattern is -2 + 6 +4 so the next number would be 16.
24
12
12
10
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.
12
11
12
The rule of this pattern is -2 + 6 +4 so the next number would be 16.
24
The next number is the sequence 236175969, 48, 12 is 236175861.
The number 7 comes next.
12
48