Logic Puzzle

73. Which number is the odd one out?
  What is the next number?
Answer
Ans = 971613.
Numbers are obtained by adding pairs of digits i.e.
with 571219: 5 + 7 = 12; 7 + 12 = 19.
To follow this same pattern 971613 would have to be 971623.
74. Place a four letter word inside the brackets that will complete a word or phrase when tacked onto the word on the left, and will form another word or phrase when placed in front of the word on the right.
  What is the next number?
Answer
Ans = WIND.
HEADWIND and WINDLASS