Tricky Puzzles Questions

1. What number should replace the question mark?
 
Answer
Ans: 52
Start at the top left corner and work along the top line, then back along the second line, etc, adding nine then deducting three.
2. Which number is the odd one out?
  What is the next number?
Answer
Ans = 6957
All the rest progress +3, -2, +3.
123

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