Source: Sterling, Brain Teasers, p. 30

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Discussion Overview

This thread explores a series of lateral thinking puzzles and brain teasers, inviting participants to solve them and share their reasoning. The puzzles cover various scenarios that require creative thinking and logic, with no definitive answers provided in the discussion.

Discussion Character

  • Exploratory
  • Debate/contested
  • Mathematical reasoning

Main Points Raised

  • Participants suggest various answers to the puzzles, such as for question 2, where some propose the girl was walking or reversing.
  • For question 6, there are differing views on whether the trains would be the same distance from the west coast when they meet.
  • In response to question 9, some argue that you can subtract 2 from 32 as many times as you want, while others contend it can only be done once.
  • Question 11 prompts discussion about the relationships between the mothers and daughters, with some suggesting one mother is the daughter of the other.
  • For question 12, multiple participants agree that none of the rungs would be under water since the boat rises with the tide.
  • Question 16 leads to differing interpretations, with some suggesting Jenny has one pet, a gerbil, while others propose she has one dog and one cat.

Areas of Agreement / Disagreement

Participants express a variety of answers and reasoning, indicating that there is no consensus on many of the puzzles. Multiple competing views remain throughout the discussion.

Contextual Notes

Some responses rely on assumptions or interpretations that may not be explicitly stated in the puzzles, leading to varied conclusions. The nature of lateral thinking puzzles means that answers can be subjective and open to interpretation.

Who May Find This Useful

This discussion may be of interest to those who enjoy puzzles, lateral thinking challenges, or logic games, as well as individuals looking to engage in creative problem-solving exercises.

  • #91
KCW said:
If he waits for 30 minutes, the 15 minute sets would occur "after the 2.00 AM hour" and not "after the 1.00 AM hour".

Spring forward, fall back.

If this were in the autumn, then he went inside at 12:45.
 

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