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Lateral Thinking Puzzles

Discussion in 'The Lounge' started by Arctiquaza, Aug 21, 2018.

  1. Arctiquaza

    Arctiquaza Never quite gone

    Level 32
    May 27, 2018
    Sail Fossil ★★★
    Here you can post lateral thinking puzzles that you made, or found somewhere. You can also attempt to solve others puzzles. Credit the source if you did not make it!

    Here is mine that I made:

    Three friends were at a restaurant. Find out if each one ate either a hamburger, a salad, or nachos.


    Hairy was not a vegetarian.

    Hagred loves cheese.

    Dumbdore ate a hamburger.

    Hagred was feeling full

    Hairy was a vegan

    Dumbdore did not eat the hamburger

    Hagred was good friends with Dumbdore

    Dumbdore was good friends with Harry
    Stop hovering to collapse... Click to collapse... Hover to expand... Click to expand...
  2. Laserdragon14

    Laserdragon14 Dragon Maverick

    Level 22
    Jan 16, 2018
    Flame Orb ★★★★★Luxury Ball ★★★Dragon Fang ★★★★Poké Ball ★Trainer Card - Cave Theme
    wait...Dumbdore both ate and didn't eat a hamburger...What sorcery is this?
    Stop hovering to collapse... Click to collapse... Hover to expand... Click to expand...
    Arctiquaza likes this.
  3. Tepig

    Tepig The Talking Tepig

    Fire Nation
    (Groudon Egg)
    Level 29
    Feb 9, 2017
    Assault Vest ★★★★Flame Orb ★★★★★Black Glasses ★★★★Red Orb ★★★★★
    *Hairy Plotter theme plays*
    Arctiquaza likes this.
  4. Sethal

    Sethal Vibing to OST

    (Alolan Vulpix)
    Level 1
    Nov 12, 2017
    Comet Shard ★★★★Star Piece ★★★★Cooler Gary Oak ★★★★★Water Stone ★★★Thunder Stone ★★★
    A three-centimeter long elastic band is attached at one end. An ant crawls on it at a speed of 1 cm / min. After a minute, the tape is stretched by three inches. The ant crawls on with its speed, and after a minute, the band is stretched again by 3 cm and so on, until the ant has reached the end of the band. Suppose the tape can be stretched so far - how long does it take for the poor, totally confused ant to finally reach the end?

    Got it from: http://www.hirnwindungen.de/raetsel2/hirn_ameise.html.
    I found out the solution, can you?

    The ant is done in 11 minutes.
    Here's the 'full' solution, but it's poorly translated cuz why not.
    The ant first lays 1/3 of the distance, then 1/6, then 1/9, etc., so altogether after n minutes: the sum [from n = 1 to z] of 1 / (3n) - intended as a sum sign, where z represents the total time sought. So the sum [of n = 1 to z] of 1 / n = 3 has to be changed!
    For z = 10, the sum equals 2.928, for z = 11 the sum equals 3.0198, so the ant is ready in 11 minutes.
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