Brain Teasers
Katherine's Birthday Party
Logic-Grid
Logic Grid puzzles come with a handy interactive grid that will help you solve the puzzle based on the given clues.Logic-Grid
Katherine was turning ten, and she invited Allen, Mary, Alex, and Sarah to her birthday party. All of the guest brought a different present with a different colored wrapping paper. Can you figure out which guest arrived at which time, what present they gave, and the colored wrapping paper they wrapped their present with?
Names: Allen, Mary, Alex, and Sarah
Times: 7:00, 7:15, 8:00, and 8:30
Presents: DVD, Video Game, Board Game, and a Book
Colors: Yellow, Green, Blue, and Red
1. Sarah did not buy the video game.
2. Mary and Sarah were the guest that arrived at 8:30 and the guest that brought the present with a yellow wrapping paper in some order.
3. Either Allen or Mary bought the board game.
4. The present with the green wrapping paper was not the book or DVD.
5. The four presents are the DVD, the one with blue wrapping paper, the one bought by the guest that arrived at 7:15, and the one brought by Sarah.
6. Mary made it to the party after Sarah did.
7. Allen hates the color blue.
8. Allen arrived at the party at 8:00.
Names: Allen, Mary, Alex, and Sarah
Times: 7:00, 7:15, 8:00, and 8:30
Presents: DVD, Video Game, Board Game, and a Book
Colors: Yellow, Green, Blue, and Red
1. Sarah did not buy the video game.
2. Mary and Sarah were the guest that arrived at 8:30 and the guest that brought the present with a yellow wrapping paper in some order.
3. Either Allen or Mary bought the board game.
4. The present with the green wrapping paper was not the book or DVD.
5. The four presents are the DVD, the one with blue wrapping paper, the one bought by the guest that arrived at 7:15, and the one brought by Sarah.
6. Mary made it to the party after Sarah did.
7. Allen hates the color blue.
8. Allen arrived at the party at 8:00.
Answer
Allen, 8:00, DVD, RedMary, 8:30, Board Game, Blue
Alex, 7:15, Video Game, Green
Sarah, 7:00, Book, Yellow
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Comments
Jolly good fun! Clear and well-written too! It's a challenge that doesn't fry the brain, which is a godsend at the end of a long day. Thanks for the hard work...I can't even imagine the time it must take to write one of these...can't imagine. Thanks!
Good one! Though kind of confusing due to the clue that says Mary and Sarah were the guests that arrived at 8:30 and brought the gift with the yellow paper. It took some reworking, but I got it eventually!
Good Job!
That was a good one, pretty easy, but not super simple. The only thing I didn't like is the clue that says that Allen doesn't like blue. One has to assume from that that he didn't bring a present wrapped in blue. Assumptions are not logic. What if he doesn't like it, but brought a blue-wrapped present because he knew Kathrine liked blue?
Good work!! It was simple, but it still made you think!!
POSITIVELY ABOSOLUTELY 100% EXCLELLENT TEASER!!!!! My only question is: wat time did this party start? cuz someone was very late or very early!!!! lol awesome job!!!!!
Hello. I had the hardest time assumming some things not mentioned. I want to recall mistake if you probably heard. You said that Someone and Someone arrived at the party at a certain time. But really someone 1 could only arrive at a different time. Nice teaser though!!!!!!!
mary & sara got to the party & brought presents w/ yellow paper. due to clue 2. alex brought the dvd. blue. and arived at 7:15 due to clue 5. please write and tell how. [email protected]
thx.
thx.
The Mary and Sarah clue was an error, right? I'm assuming they are NOt the ones who arrived at 8:30 and did not use yellow paper, since they can't share attributes in a grid. I haven't looked at the answer, but they clue error messed me up
ahh I get it. There is a grammar error, but I can't suggest the correction here.
clue said mary and sarah arrived at 8:30 and present was wrapped in yellow. i assumed it was a typo and you meant weren't the ones but answer says mary did arrive at 8:30. How did this happen?
I get it now mary arrived at 8:30 and sarah brought the yellow package. funny how small thing can mess you up!
Mary and Sarah: One arrived at 8:30 and did not bring the present wrapped in yellow, the other did not arrive at 8:30 and did bring the present wrapped in yellow: I thought that that was pretty obvious, but then each brain is wired differently
By the way good puzzle
By the way good puzzle
In clue 2, I think you should remove the "s" in guests. Nice little taser
I got stuck at a certain point, and then I remembered clue #6, and at that point I said "A-ha!" and everything fell into place.
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