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Do you believe me? - Numbers

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20 questions
Show answers
  • Q1

    The only prime numbers that end in 2 or 5 are "two" and "five".

    Question Image
    true
    false
    True or False
    30s
  • Q2

    In a room of 23 people, there’s a 50 percent chance of two people having the same birthday.

    Question Image
    true
    false
    True or False
    30s
  • Q3
    Question Image
    True or False
    30s
  • Q4

    The angles of a triangle always add up to 180 degrees.

    Question Image
    true
    false
    True or False
    30s
  • Q5

    The Roman numeral for zero is "E".

    Question Image
    false
    true
    True or False
    30s
  • Q6

    There are three numbers spelled with the same number of letters as the number itself.

    Question Image
    false
    true
    True or False
    30s
  • Q7
    Question Image
    True or False
    30s
  • Q8

    There are more ways to arrange a deck of cards than there are atoms on Earth.

    Question Image
    true
    false
    True or False
    30s
  • Q9

    A group of MIT math students are known to have made $1m in one weekend playing cards in Las Vegas.

    Question Image
    false
    true
    True or False
    30s
  • Q10

    Voltaire made $121m by working out how to beat the lottery system in 18th Century France.

    Question Image
    true
    false
    True or False
    30s
  • Q11

    A Rubik’s cube has 43 thousand different permutations.

    Question Image
    false
    true
    True or False
    30s
  • Q12

    The word “hundred” originally meant 120, not 100. 

    Question Image
    true
    false
    True or False
    30s
  • Q13

    Thai people think the number "555" is unlucky.

    Question Image
    false
    true
    True or False
    30s
  • Q14

    The largest prime number known has nearly one million digits in it.

    Question Image
    false
    true
    True or False
    30s
  • Q15

    "Triskaidekaphobia" is the fear of the number 3.

    Question Image
    false
    true
    True or False
    30s

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