Question

16,06,68,88,?,98
what is '?'

Answer 1

30 is the answer of your question

Answer 2

The most logical answer, however, is 78. Sort of. If you look at the sequence upside down it will look like this:

86,x,88,89,90,91

Then the number you need to add is clearly 87. But if you turn back to looking straight at it it must be 78. Or even better, L8.

hope this helps u