• Brain Teasers & Puzzles

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    • Yesterday John’s mother asked him to buy some stamps. Stamps, in the land of Puzzlefry, are available in 3p, 9p, 11p, 17p and 21p denominations.

      For three types of stamp John was asked to buy eight of each. For the other two types of stamp, he was asked to buy nine of each.

      Unfortunately he forgot which he was supposed to buy eight of and which to buy nine of.

      Luckily his mother had given him the exact money required to buy the stamps, £5.00 and the shopkeeper was able to give him the correct stamps.

      Which stamps did he buy?

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    • I traveled from London to Glasgow last week at 60 miles per hour, I had filled my petrol tank just before I left, so it was full with 25 gallons.

      Unfortunately, my petrol tank sprang a leak immediately and I only managed to drive 300 miles before I ran out of petrol.

      My car does 30 miles per gallon, how fast was I losing petrol through the hole?

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    • Can you find a five digit number which when you place a 7 at the beginning to make a new number is five times larger than when you place the 7 at the end?

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    • How many times does a coin rotate in rolling completely about another coin, of the same size, without slipping, whilst both are flat on a table?

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    • After a local bungled heist, five suspects were being interviewed by the police.

      Eventually the police managed to get a confession.

      Below is a summary of their statements and it turns out that exactly 5 of these statements were true.

      Would you make a good detective, try and work out who committed the crime?

      Adrian said:
      It was not Barry
      It was Cedric

      Barry said:
      It was not Adrian
      It was Derek

      Cedric said:
      It was not Derek
      It was not Barry

      Derek said:
      It was not Eric
      It was Adrian

      Eric said:
      It was not Cedric
      It was Derek

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    • Last week I bought a word processor small enough to fit in my pocket.

      It can write in any language and also add, multiply, subtract, divide.

      It has a delete facility that will correct any error made and no electricity or batteries are required to operate it.

      Amazingly, it only cost me 25p. Why?

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    • What 5 digit number am I thinking of.

      It has two prime digits.

      Digit 3 is the highest digit.
      Digit 2 is lowest digit.
      Digit 1 is higher than the sum of digits 4 and 5.
      Digit 5 is half of digit 4.
      Digit 1 is one smaller than digit 3.
      Digit 5 is between digit 2 and digit 1
      There are no duplicates and the digit 0 does not appear.

      Do not forget that 1 is not prime.

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    • Jacob have three children.

      The youngest is the same age as the first digit in Jacob age, another is the same age as the second digit in Jacob age, and the third is the same age as the sum of the two digits in Jacob age.

      The total of their ages is 33.

      How old is Jacob ?

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    • Santa is getting ready – sorting presents, filling sacks and working out his route to make sure he can deliver all his wonderful presents. The trouble is, every year just before Christmas, the reindeer have nothing to do and mostly stand around getting rather bored. They are always asking if they can help but there’s nothing they can do until Santa’s ready to go.

      This year, Santa is prepared for them and he’s set them a little challenge to help keep them busy. He’s given them the following problem:

      Five children from five different families living in five different counties of England have asked for a different gift each. From the clues, the reindeer have to work out who’s who, where each child lives and what present each has asked for. The first reindeer to solve the problem gets an extra portion of Christmas pudding on Christmas Day!

      1. Neither Cliff, nor Jennifer Feather (who does not live in Yorkshire), lives in Kent.

      2. Young Crawford, who is neither Sarah nor Cliff, asked for the pony (a gift that Santa would have particular difficulty getting down the Crawford family’s chimney!).

      3. Young Rowlands is neither the child who lives in Yorkshire nor the child who has asked for a bicycle.

      4. The gift due for delivery to Cornwall, which is not for the child surnamed Rowlands, is a computer.

      5. Liz, who has asked for the painting set, is not from Kent. Her surname is not Jamison.

      6. The child who lives in Essex has asked for a guitar. Alan lives in Cumbria.

      Children’s first names : Alan, Cliff, Jennifer, Liz, Sarah
      Children’s last names : Crawford, Feather, Jamison, Northey, Rowlands
      Counties : Cornwall, Cumbria, Essex, Kent, Yorkshire
      Presents : Bicycle, Computer, Guitar, Painting Set, Pony

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