Logic Puzzles Questions and Answers

51. Which number is the odd one out?
  What is the next number?
Answer
Ans = 47632.
All the others are three-digit numbers followed by their square root, eg 361 followed by its square root, 19.
52. Which is the odd number out?
  What is the next number?
Answer
Ans = 8612.
All the other numbers have their digits in descending order.