-1,-2,-3
10-1=9
9-2=7
7-3=4
10
26 As far as I can tell the sequence is +10,-5,+10,-5.
it is 7
If you mean: 5, 10, 20, 40 then the following number is twice the previous number which will be 80
27.
10
5
10
10
26 As far as I can tell the sequence is +10,-5,+10,-5.
Dodging numbers may be missing numbers in a sequence. For example, the underscore in the following sequence represents such a number: 2, 4, _ , 8, 10.
it is 7
15
If you mean: 5, 10, 20, 40 then the following number is twice the previous number which will be 80
16
5+5 = 10 10+5 = 15 15-5 = 15 10+5 = 15
27.