5
the answer should be 5
26 As far as I can tell the sequence is +10,-5,+10,-5.
21
The next number in the sequence would be 25.
The next number in the sequence is 480
5
5
The next number in the sequence is 27.
the answer should be 5
5
2030
For an integral sequence the next number is 6 (add 5 subtract 7 pattern).
80
26 As far as I can tell the sequence is +10,-5,+10,-5.
there is not much of a pattern there but i would say 45
5+5 = 10 10+5 = 15 15-5 = 15 10+5 = 15