Question:

A Brain Teaser About A Clock?

by  |  earlier

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Maybe teased my brain too much:

A display on a digital alarm clock is made up of small lights. Most of them use seven of them to show each of the numbers. The smallest possible number of lights lit is 6. This happens when it is 1:11.

At what time is the clock most lit up? Assume a Non-24 hour clock.

Help? =)

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14 ANSWERS


  1. Wouldn't it be 12:58?  

    Hmmmm!  lol

    Oooo!   OR - 10:08 (21)   There we go, yay


  2. 8:58 or 8:38.  Both have the same amount of lights lit up (19)

  3. 08 00

  4. if its not a 24 hour clock that would be 88:88

  5. 12:28 or 12:58

  6. 8:08

    maximum little lights  would be 88:88 which equals 7+7+2+7+7 = 30

    if it only goes to 12:59 then i think

    8:08 equals 7+2+6+7 = 22 , not too bad!

    12:08 equals 2+5+2+6+7 = 22 too though so who knows?  

  7. When you hit it with a hammer.

    It'll show 88:88

  8. It is either 8:28. or 8:38. ... or 8:58

    Your welcome!

  9. 12:28

  10. 23:38?

  11. Maybe 8:08.

    That might use up most, depending on the design.

    8 uses seven, so that time would give 20 as a total. Can use only two 8s cos 59 is the max no. of minutes.

  12. when you turn it off it says 8:88

  13. shank's right!

    the answer is 8:08! which requires 7 + 6 + 7 = 20 small lights!

    the tricky part is, which 8:08?? 8:08 PM!!! because of the presence of the PM Indicator.

  14. 8:38

    8=7 lights

    3=5 lights

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