Self Maths Puzzle Logical Reasoning Logical Sequences

8,10,9,8,2,1,_ ?

1. 10
2. 11
3. 12
4. 13

Read Solution (Total 1)

Self Other Question

what is the remainder when 15^2010 +16^2011 is divided by 7 integration of
2x^12 + 5x^9/(x^5 + x^3 +1)