Numbers Puzzles

1. Which number replaces the question marks?
  Find out the Number
Answer
72
Moving m a clockwise spiral, numbors aro doublo tho square of the first 9 numbers.
2. What is the next number in the sequence below?
  What is the next number?
Answer
The answer is 49. The difference between each two consecutive numbers grows in the order of 3, 5, 7, 9, 11, and 13 . All odd numbers.