### Brain Teasers

# Missing Clock Digit

Mad Ade has several clocks which have appeared in several different teasers on this site. They are all kept in one room. When Mad Ade enters the room he notices something unusual about the times.

Clock 1 is at: 06:16

Clock 2 is at: 11:56

Clock 3 is at: 16:33

Unfortunately the last digit is missing of Clock 4, it says 12:1?.

What is the missing digit from clock 4?

Clock 1 is at: 06:16

Clock 2 is at: 11:56

Clock 3 is at: 16:33

Unfortunately the last digit is missing of Clock 4, it says 12:1?.

What is the missing digit from clock 4?

### Answer

The missing digit is 9 because all the digits of the other clocks add up to 13.Clock 1 is 0+6+1+6=13

Clock 2 is 1+1+5+6=13

Clock 3 is 1+6+3+3=13

therefore Clock 4 must be 1+2+1+9=13

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## Comments

Sweet!

I like the way you copy your own puzzle here!

The one about delivery weights; the digits all adding up to the same number!

I wonder if you could infinitly copy your own puzzles like this to get loads of points!

I like the way you copy your own puzzle here!

The one about delivery weights; the digits all adding up to the same number!

I wonder if you could infinitly copy your own puzzles like this to get loads of points!

Aug 14, 2002

Aug 14, 2002

cool!! but i think the comment on top of mine is rite!

So what? Its a good puzzle in any case, even though its a variation on the same theme. To point out that Mad is 'point hoarding' is senseless - might as well point out that people have noses - "so what?" I say - that's what some people like, and to each their own.

Creative, but why is this in Logic? Why not Series/Group/Other?

I agree with the comment directly above mine. This should be a Series problem

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