Friday’s answers

Andrei, J Bloggs and Teletext get my thanks for posing the questions and educating me in the process.

If they’ve stumped us all they win a virtual jelly sponge which can be collected by leaving the answers below.

5 Responses to Friday’s answers

  1. J BLoggs says:

    1) Time Zones

    2) Time, Pink Floyd, Dark side of the moon

    3) Time

    4) Ford Prefect, The Hitchhikers Guide to the Galaxy, by Douglas Adams

    5) Reading books and playing music (Like Andrei, I play double course instruments – mandolin & octave mandolin, as well as tenor banjo)


  2. Andrei says:

    (1) In hoc signo vinces

    (a) What is this language of this quote?

    (b) This is a translation – What was the original language in which it was rendered?

    (c) What does it translate to?

    (a) This is Latin and in fact this motto appears an many coats of arms

    (b) It was originally Greek ἐν τούτῳ νίκα” (en toútōi níka)

    (c) Ïn this sign conquer

    (2) To whom was the sign given in a vision?

    Constantine the Great saw a vision in the sky prior to the battle of Battle of the Milvian Bridge with these words and the Chi Rho a Christian symbol

    (3) What was the symbol painted on the shields of the recipient as a result?

    The Chi Rho

    (4) How does this connect to the opening movement of the 1812 Overture?

    After becoming Emperor Constantine the Great and his mother, St Helena traveled to Jerusalem where St Helena unearthed the True Cross – this and its recovery from the Persians in 614 is commemorated September 14

    The hymn for the feast

    O Lord, save Thy people,
    And bless Thine inheritance.
    Grant victory to Thy people
    Over the barbarians,
    And by the power of Thy Cross
    Preserve Thy habitation

    was used as the opening theme for the 1812 Overture

    Which makes sense to me and to those who originally heard it for whom it would have been familiar


  3. Teletext says:

    1. What is an automorphic number?

    Well done Andrei, you were correct in saying that it is a number that when squared, the last digits are the same as the original number.

    2. How many 2 digit automorphic numbers are there and what are they?

    Also Andrei got the first part correct that there are two, 25 and 76.

    3. What is unusual about the number 25?

    Andrei did give a possible correct answer but the one I was looking for was that it’s square root is an automorphic number, 5 and when you square 25 the answer 625 is also an automorphic number.

    4. what is unusual about the numbers 1 and 81?

    Again Andrei offered some possible correct answers but again the unusual answer is that when you divide 1 by 81 the answer is 0.0123456789 recurring.

    5. Which current fictional character has a penchant about numbers and who created this person?

    Jack Reacher, Lee Child


  4. Andrei says:

    Of course Teletext all of this is only valid in base10 though the theorems work in all bases

    Can you answer your questions in hexadecimal or Sexagesimal
    (now that would be fun) 🙂


  5. Andrei says:

    J Bloggs – try this on your tenor banjo

    It is an improvization in the Hijazskiar scale

    1 2 – – 3 4 – 5 6 – – 7 8

    in G the notes are . G Ab . . B C . D Eb . . F# G

    and the chords main chords I II iv


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