Consider the sequence of numbers a₁, a₃, a₃, ..... to infinity where a₁= 81.33 and a₂= -19 and a_j= a_j-1-a_j-2for j ≥ 3.What is the sum of the first 6002 terms of this sequence?

Choose the pair of numbers which comes next 75 65 85 55 45 85 35

What is the missing number in this series: 8 2 14 6 11 ? 14 6 18 12