Missing Number Puzzles Questions

1. Which is the missing section?
 
Answer
Ans = A.
Lines across progress +2, +4, +6, +8 in turn.
Columns down progress +3, +5, +7, +9 in turn.
2. What is the missing number?
  What is the next number?
Answer
Ans = 8.
The top three lines added together equal the bottom line:
27684 + 12196 + 25478 = 65358.
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