1. ## How Fast?

I decided to catch the late train (it departs at a twenty past eleven) this morning. This meant that I could sleep in. The next thing I remember is waking up, glancing at the (always accurate) clock and seeing 11:15. Oh oh <img src=/S/exclamation.gif border=0 alt=exclamation width=15 height=15> Jumped up, put clothes on (no time for shower - sorry but I did brush my teeth), ran down stairs, grabbed my bag and headed out the door.

It took me exactly 3 minutes from waking up to getting out the door.
It took me exactly 5 minutes to walk from my door to the station.
It took me exactly 0 minutes to board the train.
The train (with me on board) left exactly on time.

I'm still puzzled about where the extra 3 minutes came from <img src=/S/question.gif border=0 alt=question width=15 height=15>

2. ## Re: How Fast?

<span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">Are the house and the station in different time zones?</span hide>

3. ## Re: How Fast?

Nope - same time zone (I don't walk that fast).

4. ## Re: How Fast?

Timbo

I am going to make a guess as the train system in the USA will be different to the UK

<span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold"> Has this got something to do with the way Train Time Indicators (TTI) work, in the UK we have a radio signal sent to the Station clocks so they all read the same time. In the USA, is there a delay factor with the TTI's which would account for the time difference?</span hide>

Jerry

5. ## Re: How Fast?

<P ID="edit" class=small>(Edited by Timbo on 11-Oct-04 11:12. Added comment about puzzle 'working anywhere')</P>No. Both clocks (bedroom / station) are accurate and set to the 'real' (local) time - as opposed to British Rail time. In fact, this puzzle would work anywhere, with any train system and any standard 24 hour system.

6. ## Re: How Fast?

<span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">The train departs at 11:20 from the station before the one where you board it.</span hide>

7. ## Re: How Fast?

No. The train left on time from my station (the one where I got on, the one that I walked to, etc, etc) at 11:20.

8. ## Re: How Fast?

<span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">The train departed on time but the last car (which you boarded) did not clear the station until 3 minutes later?</span hide>

9. ## Re: How Fast?

But it does remind me of a joke where a guy was on a train that wasn't going to stop at his station. He talked to the driver about this. The driver suggested that he step out the front carriage of the train before the platform came along side and while the driver was holding him by the back of the collar, the passenger should pump his legs as if running. Then as they came up to the station, the driver would lower him to the platform and let him go and he could slow down at his station.

Well, they executed the plan beautifully and the passenger was slowing down as he reached the other end of the platform. It was going to work! Except that the guard in the last carriage lent out and grabbed him as he went past, saying "we don't normally stop at that station but seeing you were desperate to get on board, I thought that I would give you a helping hand."

10. ## Re: How Fast?

Another guess.

<span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">The clock was displaying the date, 15th November, and not the time.</span hide>

11. ## Re: How Fast?

oooh - that is a good guess but NO. It would work in the US (11/15) but it wouldn't work overseas (eg UK 15/11).

Hint:<span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">you are on the right track (I mean approach, not rail track)</span hide>

12. ## Re: How Fast?

<span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">Your alarm clock displays time as hours:minutes:seconds. When you woke up, the time was 11:11:15, but because you were still sleepy, or because the curtain was blocking the first 11, you only saw 11:15.</span hide>

13. ## Re: How Fast?

Another very nice (and close) answer and it almost fits in with the puzzle as set (except the missing 3 minutes has become 3:45).

Hint:<span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">no seconds are displayed. Are you angling for a better hint?</span hide>

14. ## Re: How Fast?

Clutching at straws now - <span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">The actual time was 11:12 but you saw a reflection of the clock in a mirror and misinterpreted the time as 11:15 since you were only half awake.</span hide>

15. ## Re: How Fast?

<big>BINGO!</big> <img src=/S/thewave.gif border=0 alt=thewave width=225 height=33>

I actually saw this last night. My clock sits on my bed side table that has a glass top. I looked at it as I climbed into bed and noticed that the reflection was a valid time too and from there ...

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