• Brain Teasers & Puzzles

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    • Imagine a fletcher (i.e. an arrow-maker) has fired one of his arrows into the air. For the arrow to be considered to be moving, it has to be continually repositioning itself from the place where it is now to any place where it currently isn’t. The Fletcher’s Paradox, however, states that throughout its trajectory the arrow is actually not moving at all. At any given instant of no real duration (in other words, a snapshot in time) during its flight, the arrow cannot move to somewhere it isn’t because there isn’t time for it to do so. And it can’t move to where it is now, because it’s already there. So, for that instant in time, the arrow must be stationary. But because all time is comprised entirely of instants—in every one of which the arrow must also be stationary—then the arrow must in fact be stationary the entire time. Except, of course, it isn’t.

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    • To solve the puzzle read the riddle and answer the clues below to find each word. Then place the letters on the lines below. Each letter must be placed on a line marked by the same number. When all the lines are full, the answer to the riddle is revealed.

      Riddle: What do you get from a pampered cow?

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    • Find a 4-letter word for each blank below so that when added, two new words (sharing the same middle word) are created. What is each word?

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    • Here’s a Sudoku challenge with a different spin. Instead of using numbers, the puzzle is made with letters! Can you solve the puzzle so that each of the nine letters are present in each 9×9 grid only once, and also each letter only appears once in each column and row?

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    • Dorry the Dragon just can’t help himself….he loves beach balls! Unfortunately, beach balls don’t like him much – they tend to pop and loose air. Then they’re not much fun at all. So, can you help Daryl resist his beach ball frenzy? Draw five straight lines through the box below to separate Daryl from the beach balls. When all the lines have been drawn, each section containing Daryl can’t have beach balls in it too.

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    • Five friends from across the United States planned to meet at a convention in Milwaukee. Each friend came from a different city and each was employed in a different profession. Use the clues to determine the full name of each friend, their home city, and each one’s profession.

      1. The doctor and Mr. Cross both arrived a day early.
      2. By coincidence, the secretary from San Diego and the doctor, Ms. Forest, arrived at the hotel together.
      3. The lawyer arrived late. He was delayed by a case and had to catch a later flight from Baltimore.
      4. Jane, Mr. Smith, Mark, the mechanic, and the friend from Chicago all planned to spend the weekend after the convention together. Then on Monday, Ms. Trent and Tom would leave to return to work. Dan, the teacher, and Cindy would leave on Tuesday.
      5. Dan Richards does not live in Baltimore. Cindy does not live in St. Louis.
      6. Ms. Trent laughed when asked if she was a teacher. “No, he’s from Atlanta,” she said. “I’m from San Diego.”
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    • One summer, five couples went on a cruise together for their vacations. The trip lasted for a week and the couples spent most of their time together. Each morning they would meet for breakfast and decide what to do for the day. On the fourth morning however, the ship stopped at a tropical island resort and the couples discovered that everyone wanted to do something different. At length, they decided to split up for the day and meet back on the ship for supper to share their adventures with each other. Being tourists, each couple gave into their urge to bring back a souvenir and by luck, they all brought back something different. Using the clues and the grid below, determine the first and last names of each couple, what they did for the day, and what souvenir they brought back.

      1. The couple who went scuba diving didn’t buy the homemade candies but loved what Bob and Judy bought.
      2. Jake, whose last name isn’t Horner, was disappointed by his golfing scores. Peter, who isn’t married to Tracy, wanted to go sight seeing with Bob Gallop but he went surfing with his wife instead.
      3. Each couple is represented by the following: Mr. and Mrs. Peel, homemade candies, Cindy, Bob, golfing.
      4. Mike is not Tracy’s husband and Jane is not Ed’s wife. Ed didn’t go hiking.
      5. The couple who went site seeing bought a beautifully carved wood dolphin at one of the local attractions. The dolphin and Sarah’s model ship were voted the best of the souvenirs.
      6. Ed, who is not married to Cindy, liked the shirts that Jake Bremmer bought. Mike, whose last name is not Elmwood, bought the postcards.
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    • One Saturday afternoon, four boys visited the local 5 and 10 store to buy candy. Each boy bought just his favorite candy and they all had a different favorite. They each spent under one dollar and they each bought a different amount of their favorite candy. Can you determine each boy’s full name, the type and quantity of candy each boy purchased, and how much each boy spent?

      1. Peter, whose last name isn’t Smythe, bought one piece less than the boy who bought the Tootsie Rolls but he spent 15 cents more.
      2. Adam, who spent 35 cents, spent the least. The boy who bought the lollipops spent the most.
      3. Tom Wilson, who spent 10 cents more than John, spent 60 cents.
      4. The amount spent by each boy, from the least to the most, was the boy who bought the peppermints, the boy whose last name is Smythe, the boy who bought the Tootsie Rolls, and the boy whose last name is Brown.
      5. Peter’s last name isn’t Parker.
      6. The boy who bought ten gum drops, whose last name isn’t Parker, bought the largest quantity. The boy who spent the most bought the smallest quantity.
      7. The boy who got seven peppermints had two more pieces than the boy who got the lollipops.

      Use the grid to help solve the puzzle!

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    • One day, five couples and their children (each couple had only one child) spent the day at an amusement park. They all enjoyed the day tremendously despite the fact that each child managed to get lost at some point during the day. Using the clues and the grids below, determine the full name of each couple, the name and age of each couple’s child, and where each lost child was found.

      1. George, whose last name isn’t Smith, is a good friend of Bill Walker, who is not Susie’s father.
      2. The ages of the children from lowest to highest are the 6 year old, Ann, the one found by the teacups, George’s son, and Jane’s child.
      3. Michael Charming, whose 10-year-old child is the oldest, helped Stan find his daughter, who is a year younger than Ann, by the carousel. Stan’s last name isn’t Smith.
      4. The boy found at the ferris wheel is younger than John but older than Ann. Mary is older than Susie but younger than Tom.
      5. Sally Jackson didn’t find her son at the teacups or the roller coaster. When she looked by the flume, she found Kim’s 7-year-old child.
      6. Al and Linda’s child, who is 8, is the best friend of Michelle’s daughter, who is two years younger.

      Use the grid to help solve the puzzle!

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    • Can you find all the words in the word list in the grid below? The words can be found horizantally, vertically, diagonally, and backwords.

      One day, five mothers each brought their only child to  Zoo The children had a glorious time together watching the different animals and eating their favorite snacks. The kids were so good, at the end of the day each mother let her child get one item from the souvenir shop as they were leaving the zoo. Can you determine the full name of each child, each child’s favorite snack and animal, and the souvenir each brought home?

      1. Julia, who loves cotton candy, didn’t like the elephants. Mary didn’t get a caramel apple. The child who got the stuffed animal liked the giraffes best.
      2. Alan Small, the girl who liked the lions, and the child who got the activity set didn’t want to leave the zoo.
      3. Neither of the boys got fried dough, but one got nachos and the other one liked the monkeys best. Tom didn’t get a poster.
      4. The Brown child almost got a coloring book with Mary but finally decided on a poster.
      5. Tom, whose last name isn’t Proctor, got a toy gun but didn’t get a caramel apple. The MacGregor child had fried dough.
      6. Beth, who didn’t like the giraffes or the elephants best, got an activity set.

      Use the grid to help solve the puzzle!

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