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Announcements & News => Media Watch => Topic started by: todthedog on March 30, 2020, 05:26:43 PM



Title: Test your brain
Post by: todthedog on March 30, 2020, 05:26:43 PM
Count every  "  F  " in the following text:


 

FINISHED  FILES ARE THE RE
SULT OF YEARS OF SCIENTI
FIC STUDY COMBINED  WITH
THE EXPERIENCE OF YEARS... 
(SEE  BELOW)


HOW MANY ?
 
3....4....






WRONG,  THERE ARE  6  --  no joke.
READ IT AGAIN !
Really, go Back and Try to find the  6 F's before you scroll down.


The reasoning behind is  further down.





The brain cannot  process "OF".

Incredible  or what? Go back and look again!!

Anyone who counts  all 6 "F's" on the first go is a genius.

Three  is normal, four is quite rare.


Title: Re: Test your brain
Post by: M on March 31, 2020, 07:25:21 AM
Apparently I'm not a genius, way to break it to me gently Tod.  :(


Title: Re: Test your brain
Post by: Tigger on March 31, 2020, 02:51:34 PM
I was told many years ago to proof-read things backwards to prevent your brain making sense of mistakes and ignoring them, the same trick applies here. 

Read each word starting at the end of the sentence and working backwards and you see all the Fs :)


Title: Re: Test your brain
Post by: Westie on March 31, 2020, 03:08:51 PM
Another way that works for me is not to read it. Just scan for 'F'


Title: Re: Test your brain
Post by: biff on March 31, 2020, 04:46:25 PM
The first time I scanned it I got 4 which included the bottom  Of . I was watching telly and then read it properly only getting 3. I knew that I had spotted 4 previously  but could not find the bottom Of after that.
   Weird.
       Biff


Title: Re: Test your brain
Post by: todthedog on March 31, 2020, 06:05:20 PM
Odd isn't  it I only saw 4.
Mrs T's mates to blame for that one. :)


Title: Re: Test your brain
Post by: oliver90owner on March 31, 2020, 06:32:22 PM
Amazing.  Both myself and my wife failed.

Another ‘trick’ is to get someone to answer your questions as quickly as possible.  1x2, 2x2, 4x2.....up to 64 x2 then immediately ask them to “Name a vegetable”.  It is easy to predict the answer for the vast majority of people (who have not done it previously).  That answer must be embedded in people’s brains!

I used to ask maths pupils ‘trick’ questions to demonstrate “ read the question carefully before answering - ie ‘Answer the question asked’.  But never seen one like Tod’s dog.  He must have been clever. :)


Title: Re: Test your brain
Post by: todthedog on March 31, 2020, 06:35:36 PM
Blame the Kidwelly Ladies for this





(https://i.postimg.cc/5XJYkTYj/IMG-20200331-WA0008.jpg) (https://postimg.cc/5XJYkTYj)


Title: Re: Test your brain
Post by: Fintray on March 31, 2020, 06:38:25 PM
60 duh.
No make it 30 or something. :fight
Or even 28
My brain cell hurts.


Title: Re: Test your brain
Post by: Antman on March 31, 2020, 06:54:35 PM
Missed all 3 'of's on first one  :-[

Second I'll go for 30 on the basis of BODMAS.... Oh Lord, that takes me back!

Antman


Title: Re: Test your brain
Post by: billi on March 31, 2020, 07:04:44 PM
Quote
Count every  "  F  " in the following text:

including this ?


Title: Re: Test your brain
Post by: pj on March 31, 2020, 07:07:09 PM
Tod, I make that 43.


Title: Re: Test your brain
Post by: stannn on March 31, 2020, 07:14:10 PM
20


Title: Re: Test your brain
Post by: Philip R on March 31, 2020, 07:18:57 PM
I did not answer this yesterday because I only saw 4 "F"s, and realising that I must be getting a bit thick as I get older.

I have just come back from walking the dog with my wife and marvelling at the tame
Rodent (Rat) running around in the hedgerow next to the busy pavement, as well as maintaining social distancing from all the other polite dog walkers.

I digress, I have just re-read the text again, and there they were, 6 "F"s. Amazing, I miust be partially "F" Blind.
Philip R


Title: Re: Test your brain
Post by: oliver90owner on March 31, 2020, 07:33:43 PM
The answer to that one is SIMPLE - if you write down ALL your workings.  

So many GCSE students would get it wrong because they did not write down all their workings - so no marks given for that question.  Likely those that wrote down all their workings would get three marks out of the four, for the question, even if they got the final answer wrong!

I remember giving  ‘A’ level students (GCSE maths failures) a previous GCSE maths paper as a test, to check their progress/ability.  One (disruptive) student finished early and achieved the decidedly poor result of around 36% (75% was the pass mark for them).  After insisting he wrote down every piece of his workings on his sheet, his mark increased to 68%, IIRC.  He was totally gobsmacked that he was so close to the pass mark.  He had failed his maths twice before and needed a pass for Uni entrance.

I wonder how many of us would have found all six “f’s if we had the opportunity to underline each entry before counting them?


Title: Re: Test your brain
Post by: paul149 on March 31, 2020, 07:35:17 PM
my guess at pictogram is

if calculating 'old school' method ie left to right then 48
but using BIDMAS then it works out to be 43

paul m.


Title: Re: Test your brain
Post by: biff on March 31, 2020, 07:59:14 PM
Yup Stan
  Cannot be anything other that 20
  5 + 5 × 2 =  or am I a complete ejit.
     Biff
   Ahhh I got ejit correct at least.


Title: Re: Test your brain
Post by: stannn on March 31, 2020, 08:07:04 PM
Strictly speaking, it depends whether a left boot has the same value as a right boot (and ditto a left and right cone).


Title: Re: Test your brain
Post by: A.L. on March 31, 2020, 08:15:39 PM
if one shoe is half two shoes and one cone is half two cones then

10 + 5 * 4 = 30

reverse polish notation (Sinclair scientific bike:)


Title: Re: Test your brain
Post by: marshman on March 31, 2020, 09:07:33 PM
Yup Stan
  Cannot be anything other that 20
  5 + 5 × 2 =  or am I a complete ejit.
     Biff

The boy in the bottom line has shoes on  (10)  and two cones in his hand (4) so the sum is 5 + (5+4+10) x 2

So depending on how you associate the operators your get either (19x2)+5 = 43   or 24 x 2 = 48

But you already knew that :D


Title: Re: Test your brain
Post by: A.L. on March 31, 2020, 09:26:08 PM
you expect me to see those details?  surrender:

rpn says 43 on this basis


Title: Re: Test your brain
Post by: marshman on March 31, 2020, 09:28:05 PM
you expect me to see those details?  surrender:

rpn says 43 on this basis

Perhaps the thread should be re-titled " Test Your Eyes" :D


Title: Re: Test your brain
Post by: todthedog on April 01, 2020, 06:12:45 AM
The answer that I was given was 48 surrender:

Totally agree about the eye test! :fume

Mrs T's local WhatsApp group was pinging this round half the evening while I was trying to watch the repeat of Wallander.

Take care
Tod


Title: Re: Test your brain
Post by: Antman on April 01, 2020, 07:11:45 AM
That's why I dislike small screens. I missed the fact that the last boy had shoes on  :-[
Better stick to rejecting spammers I can play that game much better... :)


Title: Re: Test your brain
Post by: todthedog on April 01, 2020, 10:04:20 AM
 :D ;D ;D


Title: Re: Test your brain
Post by: Ted on April 01, 2020, 01:29:13 PM
(2x5) + (2x5) + (2x5) = 30
5 + 5 + (2x5) = 20
(2x2) + (2x2) + 5 = 13
5 + ((5 + (2x2) + (2x5)) x 2) = ?

5 + (5 + 4 + 10) x 2) = ?
5 + (19x2) = ?
5 + 38 = 43

But what is supposed to be in the newspaper cones?

(Edit - this was the best reference I could find to BODMAS for anyone interested - http://jeff560.tripod.com/operation.html )


Title: Re: Test your brain
Post by: todthedog on April 01, 2020, 03:01:56 PM
I have just thrown  BODMAS into the discussion will report back. stir:


Title: Re: Test your brain
Post by: Antman on April 01, 2020, 07:11:26 PM
It's only now I'm in the office on the 24" screen  ;D  that I see the bottom boy has trainers not shoes  facepalm

So in theory I tend towards the 43.

BUT do the black shoes have a 'value' to be subtracted before adding back the trainers?
I'm so paranoid now, I'm even counting the laces in the trainers and number of stripes on the shirt  surrender:

The contents of the cones looks a lot like environmentally unfriendly coal to me  :-[

Nice one Tod.

Antman


Title: Re: Test your brain
Post by: todthedog on April 02, 2020, 10:59:54 AM
Mrs T wrote about the BODMAS  suggestions to her friends and that opened a  (very friendly) can of worms husbands, mathematical children and those with good eyesight were roped in to offer an opinion. The consensus is that 43 is the correct answer.
Thank you all for answering help: and for your humour. ;D

I did get to see the end of Wallander.


Title: Re: Test your brain
Post by: Ted on April 02, 2020, 01:42:57 PM
It's only now I'm in the office on the 24" screen  ;D  that I see the bottom boy has trainers not shoes  facepalm

So in theory I tend towards the 43.

BUT do the black shoes have a 'value' to be subtracted before adding back the trainers?
I'm so paranoid now, I'm even counting the laces in the trainers and number of stripes on the shirt  surrender:

The contents of the cones looks a lot like environmentally unfriendly coal to me  :-[

Nice one Tod.

Antman

The black things on his feet are socks, so are worn under his trainers. Nothing to deduct.

This whole graphical math quiz appears to have its origins in Russia (there are loads more like this one), so just watch out.    :onpatrol


Title: Re: Test your brain
Post by: todthedog on April 02, 2020, 02:54:12 PM
I'm sure Mrs T's WhatsApp group would welcome the challenge Ted :angel:


Title: Re: Test your brain
Post by: todthedog on April 02, 2020, 03:25:12 PM
In the meanwhile from gpuzzles

Birbal is a witty trader who trades in  a mystical fruit grown far in north. He travels from one place to another with three sacks which can hold 30 fruits each. None of the sacks can hold more than 30 fruits. On his way, he has to pass through thirty check points and at each check point, he has to give one fruit from each sack to the authorities.

How many mystical fruits remain after he goes through all the thirty check points?


Title: Re: Test your brain
Post by: Countrypaul on April 02, 2020, 04:39:02 PM
25 ? Or is there something you're not telling us?


Title: Re: Test your brain
Post by: M on April 02, 2020, 05:39:28 PM
I'm going with 25 too, might as well fail a third test!


Title: Re: Test your brain
Post by: todthedog on April 02, 2020, 05:52:55 PM
Congratulations you have both passed  one of the Indian Civil Service entrance  exam tests  :genuflect


Title: Re: Test your brain
Post by: todthedog on April 02, 2020, 06:01:51 PM
Too easy? wacko


From WhatsApp


(https://i.postimg.cc/sBT5Jz5M/Flowers-Equation-Riddle.jpg) (https://postimg.cc/sBT5Jz5M)





Title: Re: Test your brain
Post by: M on April 02, 2020, 06:08:32 PM
I'm going with 26, but I'm now paranoid and trying to see if the flowers change, the leaf is on a different side ........ this is quite stressful.   wackoold


Title: Re: Test your brain
Post by: biff on April 02, 2020, 06:34:04 PM
 :hysteria
   I was afraid to say that Mart, fair play to you, there are no shoes or cones about so I think we are safe enough.
     Biff


Title: Re: Test your brain
Post by: marshman on April 02, 2020, 06:39:58 PM
I'm going with 26, but I'm now paranoid and trying to see if the flowers change, the leaf is on a different side ........ this is quite stressful.   wackoold

last blue flower only has 4 petals!  -   should have gone to specsavers, oh wait! not essential so they are closed ;D

I think the answer is 24


Title: Re: Test your brain
Post by: Antman on April 02, 2020, 06:51:14 PM
Well I was about to say 25  1 + 20 + 4
But after last time what do I know?
 
As for the fruit trader I need  help:
Ant


Title: Re: Test your brain
Post by: biff on April 02, 2020, 07:46:04 PM
Hardly 24 roger, more like 25,   surely,   surrender:
   But then all the others could be different there is a pair overlapping, stir:
      Biff
 There are 10 petals on the pair of daffy but 8 on the single, ?
  One of the red dalia,s is different as well ,, h mmmmm


Title: Re: Test your brain
Post by: marshman on April 02, 2020, 08:07:41 PM
Hardly 24 roger, more like 25,   surely,   surrender:
   But then all the others could be different there is a pair overlapping, stir:
      Biff
 There are 10 petals on the pair of daffy but 8 on the single, ?
  One of the red dalia,s is different as well ,, h mmmmm

I have good eyesight exhappy:, well for the first few inches anyway, but my arithmetic is rubbish  wackoold

But I think you are right, 25.     My brain (stomach) was still thinking about the sacks of mystical fruit and I subtracted 1 (for the missing petal) from the answer to the previous question. ;D ;D   


Title: Re: Test your brain
Post by: Countrypaul on April 02, 2020, 08:34:52 PM
I agree with M, 20 + 5 +1 = 26.


Title: Re: Test your brain
Post by: biff on April 02, 2020, 08:37:50 PM
Am gonna stick on 25.  ;D
       Biff


Title: Re: Test your brain
Post by: todthedog on April 03, 2020, 06:21:00 AM
You are getting too Good


Solution:
25

Explanation:
== Equation1 ==
RedFlower + RedFlower + RedFlower = 60
=> RedFlower = 20

== Equation2==
RedFlower + 5BluePetals + 5BluePetals = 30
=> 20 + 10BluePetals = 30
=> 10BluePetals = 10
=> 1BluePetals = 1

== Equation3 ==
5bluePetals + 2yellowFlower = 3
=> 5 + 2yellowFlower = 3
=> 2yellowFlower = 2
=> 1yellowFlower = 1

== Required ==
YellowFlower + RedFlower + 4BluePetals = ?
=> 1 + 20 + 4 = 25 ... The Answer


Title: Re: Test your brain
Post by: M on April 03, 2020, 07:05:31 AM
I'm going with 26, but I'm now paranoid and trying to see if the flowers change, the leaf is on a different side ........ this is quite stressful.   wackoold

last blue flower only has 4 petals!  -   should have gone to specsavers, oh wait! not essential so they are closed ;D

I think the answer is 24

AHHHHHHHHHHHHHHHHHHHHHHH for F F F F Flowery flippin sakes, that's just cruel!


Title: Re: Test your brain
Post by: todthedog on April 03, 2020, 09:05:20 AM
Good luck


(https://i.postimg.cc/FfphRvbh/crack-the-code-puzzle-1.png) (https://postimg.cc/FfphRvbh)


A. 6 8 2 – One Number is correct and well placed
B. 6 1 4 – One Number is correct but wrong place
C. 2 0 6 – Two Numbers are correct but Wrong Places
D. 7 3 8 – Nothing is correct
E. 8 7 0 – One Number is correct but wrong place


Title: Re: Test your brain
Post by: Antman on April 03, 2020, 09:21:54 AM
042 ?

Here's my working...

Strike 7 3 & 8

A. 6 8 2 – One Number is correct and well placed
B. 6 1 4 – One Number is correct but wrong place
C. 2 0 6 – Two Numbers are correct but Wrong Places
D. 7 3 8 – Nothing is correct
E. 8 7 0 – One Number is correct but wrong place

So from C and E,  0 must be first digit
From C, 2 must be third digit
From B, 4 must be 2nd digit

I still need an explanation of the fruit trader please cos I'm dim :-[

Antman


Title: Re: Test your brain
Post by: marshman on April 03, 2020, 09:34:33 AM
Agree 042.

Every time the fruit trader goes through a checkpoint to start with he gives 3 fruits away. But he also moves  2 pieces of fruit from 1 sack into the other sacks. This keeps two sacks full and empties one sack after only 10 checkpoints. Then as he only has 2 sacks he only has to give away 2 fruits at each check point and move 1 fruit from one sack to the other to help empty the 2nd sack quicker. So after another 15 checkpoints the second sack is empty. There are only 5 checkpoints left and he now has one sack of 30 fruits left, so at the end has 25 fruits left.


Title: Re: Test your brain
Post by: biff on April 03, 2020, 09:47:55 AM
Good one Roger, that had me stumped also ,
    There is no word of the
  Fox,  The Duck and the Bag of Corn.
  Or the man who had to cross the river.

NB, it was that long ago ,
     The fox had rabies  and bit the man. The man had an aversion to water   could not cross the river  ate the duck and had pop corn for after,
   Not quite.
     Biff


Title: Re: Test your brain
Post by: omega1 on April 03, 2020, 10:10:07 AM
I would agree that the combo lock question is 042.
Playing devils advocate regarding the nomad question I dont think you can answer it with the info you are given.
The wording states that he has three sacks which can not did hold 30 fruits each. None of the sacks can hold more than 30 fruits.
Doesnt actually say how many fruits each sack actually held to start with  stir:

This is keeping us all occupied in these trying times.  keep em coming  Biff ;D

Kevin


Title: Re: Test your brain
Post by: Ted on April 03, 2020, 10:17:17 AM
Workings for the fruit trader:

stop 1: 30 + 30 + 30 - lose 3 x 1
stop 2: 29 + 29 + 29 - lose 3 x 1
stop 3: 28 + 28 + 28 - lose 3 x 1
stop 4: 27 + 27 + 27 - lose 3 x 1
stop 5: 26 + 26 + 26 - lose 3 x 1
stop 6: 25 + 25 + 25 - lose 3 x 1
stop 7: 24 + 24 + 24 - lose 3 x 1
stop 8: 23 + 23 + 23 - lose 3 x 1
stop 9: 22 + 22 + 22 - lose 3 x 1
stop 10: 21 + 21 + 21 - lose 3 x 1 - place remaining 60 into 2 sacks
stop 11: 30 + 30 - lose 2 x 1
stop 12: 29 + 29 - lose 2 x 1
stop 13: 28 + 28 - lose 2 x 1
stop 14: 27 + 27 - lose 2 x 1
stop 15: 26 + 26 - lose 2 x 1
stop 16: 25 + 25 - lose 2 x 1
stop 17: 24 + 24 - lose 2 x 1
stop 18: 23 + 23 - lose 2 x 1
stop 19: 22 + 22 - lose 2 x 1
stop 20: 21 + 21 - lose 2 x 1
stop 21: 20 + 20 - lose 2 x 1
stop 22: 19 + 19 - lose 2 x 1
stop 23: 18 + 18 - lose 2 x 1
stop 24: 17 + 17 - lose 2 x 1
stop 25: 16 + 16 - lose 2 x 1 - place remaining 30 into 1 sack
stop 26: 30 - lose 1
stop 27: 29 - lose 1
stop 28: 28 - lose 1
stop 29: 27 - lose 1
stop 30: 26 - lose 1
at end: 25 remaining


Title: Re: Test your brain
Post by: Antman on April 03, 2020, 10:43:38 AM
Doh banghead:

Never thought of emptying sacks. I just thought logically. That's cheating  facepalm

Thanks
Antman


Title: Re: Test your brain
Post by: todthedog on April 03, 2020, 10:46:26 AM
5 pirates of different ages have a treasure of 100 gold coins.

On their ship, they decide to split the coins using this scheme:

The oldest pirate proposes how to share the coins, and ALL pirates (including the oldest) vote for or against it.

If 50% or more of the pirates vote for it, then the coins will be shared that way. Otherwise, the pirate proposing the scheme will be thrown overboard, and the process is repeated with the pirates that remain.

As pirates tend to be a bloodthirsty bunch, if a pirate would get the same number of coins if he voted for or against a proposal, he will vote against so that the pirate who proposed the plan will be thrown overboard.

Assuming that all 5 pirates are intelligent, rational, greedy, and do not wish to die, (and are rather good at math for pirates) what will happen?


Title: Re: Test your brain
Post by: todthedog on April 03, 2020, 10:48:46 AM
I will put he solutions on this afternoon
cheers
tod


Title: Re: Test your brain
Post by: Countrypaul on April 03, 2020, 11:07:18 AM
You are getting too Good


Solution:
25

Explanation:
== Equation1 ==
RedFlower + RedFlower + RedFlower = 60
=> RedFlower = 20

== Equation2==
RedFlower + 5BluePetals + 5BluePetals = 30
=> 20 + 10BluePetals = 30
=> 10BluePetals = 10
=> 1BluePetals = 1

== Equation3 ==
5bluePetals + 2yellowFlower = 3
=> 5 + 2yellowFlower = 3
=> 2yellowFlower = 2
=> 1yellowFlower = 1

== Required ==
YellowFlower + RedFlower + 4BluePetals = ?
=> 1 + 20 + 4 = 25 ... The Answer


Nice try, but you appear to have missed a vital sign.

The 5 bluepetals + 2 yellowflowers = 3 is not a "+" but a "-".

At least you can have some marks for showing your working out  :hysteria


Title: Re: Test your brain
Post by: Antman on April 03, 2020, 03:36:26 PM
The lack of replies means either everyone has found something to do or are all as stumped as me

If they are greedy then they are not likely to accept equal shares at first go.

So if we take the intelligent, rational and not wishing to die traits, then maybe they all agree to invest it in their Occupational Pension scheme  :crossed

Either that or they are so busy arguing that they run aground and die as shark feed  surrender:

Antman


Title: Re: Test your brain
Post by: Countrypaul on April 03, 2020, 03:51:10 PM
For the pirates, couldn't the olddest one propose the other 4 share it equally, that way the second oldest and third oldest would see the advantage in supporting him before they too were invited to go swimming.


Title: Re: Test your brain
Post by: todthedog on April 03, 2020, 04:04:09 PM
A. 6 8 2 – One Number is correct and well placed – Number cannot be 6 as that will make Statement B wrong so the number in code is 2 which is correctly placed also(on Position 3)
B. 6 1 4 – One Number is the correct but wrong place – 6 cannot be that number as per Statement A, It cannot be 1 also as if the number is 1 it can be on either on 1st or 3rd place those are already taken by digits 0 and 2 so the only number left is 4
C. 2 0 6 – Two Numbers are correct but Wrong Places – One of digit which is correct is 0 as per Statement E but its place cannot be at second(as per statement C) and third position( as per Statement E) so it can be only one first place, another digit is 2 as per statement A.
D. 7 3 8 – Nothing is correct – We can rule out these 3 digits from other statements
E. 8 7 0 – One Number is the correct but wrong place – We know 0 is one of the digit in code but the place for it would be not 3
From statements A, B and E we got our numbers.
Statement A gave a position for Number 2. – Statement A -> _ _ 2
Statement C and E gave a position for the other 2 numbers. Statement A, C and E-> 0 _ 2
Statement B -> last digit 4 which will come in the middle so code would be 0 4 2
Finally, the code is 0 4 2


Title: Re: Test your brain
Post by: todthedog on April 03, 2020, 04:07:04 PM
Pirates
The oldest pirate will propose a 98 : 0 : 1 : 0 : 1 split, in other words the oldest pirate gets 98 coins, the middle pirate gets 1 coin and the youngest gets 1 coin.

Let us name the pirates (from oldest to youngest): Alex, Billy, Colin, Duncan and Eddie.

Working backwards:

2 Pirates: Duncan splits the coins 100 : 0 (giving himself all the gold). His vote (50%) is enough to ensure the deal.

3 Pirates: Colin splits the coins 99 : 0 : 1. Eddie will accept this deal (getting just 1 coin), because he knows that if he rejects the deal there will be only two pirates left, and he gets nothing.

4 Pirates: Billy splits the coins 99 : 0 : 1 : 0. By the same reasoning as before, Duncan will support this deal. Billy would not waste a spare coin on Colin, because Colin knows that if he rejects the proposal, he will pocket 99 coins once Billy is thrown overboard. Billy would also not give a coin to Eddie, because Eddie knows that if he rejects the proposal, he will receive a coin from Colin in the next round anyway.

5 Pirates: Alex splits the coins 98 : 0 : 1 : 0 : 1. By offering a gold coin to Colin (who would otherwise get nothing) he is assured of a deal.

(Note: In the final deal Alex would not give a coin to Billy, who knows he can pocket 99 coins if he votes against Alex's proposal and Alex goes overboard. Likewise, Alex would not give a coin to Duncan, because Duncan knows that if he votes against the proposal, Alex will be voted overboard and Billy will propose to offer Duncan the same single coin as Alex. All else equal, Duncan would rather see Alex go overboard and collect his one coin from Billy.)

I found these on the net
I hope that you enjoyed
Tod



Title: Re: Test your brain
Post by: biff on April 03, 2020, 05:28:27 PM
Funny you should say that Tod,
         I had come to the exact same conclusion meself  but naturally enough I had different pirate names, like Sheamus ,Patrick, etc and the figures in different places naturally.
         I should not have held back like I did, but maybe it is for the better , because sometimes,  occasions like this go to my head,   
       Biff