Missing Number Puzzles Questions

11. What number should replace the question mark?
  What is the next number?
Answer
Ans = 31.
Increase by 5 in a clockwise fashion every three sectors ie 1, 6, 11, 16, 21, 26, 31, 36.
12. What number should replace the question mark?
  What is the next number?
Answer
Ans = 17.
8 + 9 = 17; 7 + 6 = 13.
123456789101112131415


Page 6 of 15