77, 49, 36, 18 ?

What is the next number in the series 77, 49, 36, 18 ?

11, 19, 14, 22, 17, 25, ?

What is the next number in the series 11, 19, 14, 22, 17, 25, ?

If 2+7=57 3+6=63 5+9=206 Then 4+8=?

If 2+7=57
3+6=63
5+9=206
Then
4+8=?

If 2+6+7=24 3+4+4=40 8+2+8=73 Then 7+3+9=??

If 2+6+7=24 3+4+4=40 8+2+8=73 Then 7+3+9=??

Three sequences

Three sequences: 2, 9, 16, 23... 3, 8, 13, 18, 23... 3, 7, 11, 15, 19, 23... What is the next number to appear in all three sequences?

17,40,61,80,97,...?

What is the next number in the series 17,40,61,80,97,...

Number Series Problem

Solve the number series problem in the picture below ?

2, 5, 12, 23, 30, 17, 8, ____ ?



3.
After adding 1 to 2, the first number, an additional number
is added to each resulting number, yielding 3, 5, 8, 12, etc.
The first number is written on the far left, the second
number is on the far right, the third number is second from the left, the fourth number is second from the right, & so on.