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# Puzzles

## Archive

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## 2 December

In a week (Monday 12:01 to Monday 12:01 a week later), how many times will the minute hand of an analogue clock point in the same direction as the hour hand?
Tags: Clocks, time

## Ticking Clock

Is there a time of day when the hands of an analogue clock (one with a second hand that moves every second instead of moving continuously) will all be 120° apart?
Tags: angles, time

## 8! Minutes

How many weeks are there in 8! ($$8\times 7\times 6\times 5\times 4\times 3\times 2\times 1$$) minutes?
Tags: Numbers, Time

## Burning Ropes

You have two ropes and some matches. Each rope, if lit at its end, will burn for 60 minutes. But the rate of burning is not regular, so cutting a rope in half doesn't result in a burn time of 30 minutes.
How can you use the ropes to time exactly 45 minutes?
Tags: Time