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Puzzles :: Brain Testing Puzzles

  1. What number should replace the question mark?


  2. Proceeding up the staircase, the numbers form a logical sequence. What number belongs on the top step? 


  3. Only 2 per cent of people are able to solve this math riddle. Can you be one of them?


  4. This may not be a number. Think of a situation in everyday life where these numbers appear. 


  5. Crack the Three digit Code ? ? ?

    2 4 1 - One number is correct and well placed
    4 1 3 - Nothing is correct
    5 3 2 - Two numbers are correct but wrong places
    3 4 7 - One number is correct but wrong placed
    7 5 1 - Two numbers are correct but wrong places

    What is the three digit code ? ? ?


  6. Introducing a man to her husband,
    a woman said,
    "His brothers' father is the only son of my grandfather."

    How is the woman related to this man?


  7. Mark the blacksmith has four pieces of chain, each consisting of three rings.
    He wants to obtain a single round chain as in the picture.

    It takes Mark a minute to open a ring,
    and another minute to close it.

    How long will it take Mark to complete this task, at minimum?
     


  8. The barber of Seville shaves
    all men living in Seville.

    No man living in Seville is
    allowed to shave himself.

    The barber of Seville
    lives in Seville.

    Who shaves the barber of Seville?


  9.  

    I am yellow but I am not the sun.
    I grow in a field but I am not a sunflower.
    I am found on an ear but I am not a piece of jewellery.
    I go well with butter but I am not a slice of toast.
    I am associated with cob but I am not a web.

    What am I?


  10. A teacher has drawn a straight line on the board.
    He asks you to make the line shorter.
    But there is one catch,
    you cannot touch the line he's drawn.
    What to do now?