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Just a brainteaser I got told ages ago. First time around it had me scratching my head for hours, I hope to do the same to you :P I may have posted it before, but here you go anyway :
3 old ladies go for lunch at a cafe. They all have the same meal, which costs 5 pounds each. At the end of the meal, they pay the waiter, by each giving him a 5 pound note, totalling 15 pounds. When the waiter gets to the cash register, the manager informs him that there is a special on - buy 2 meals get the 3rd free. The waiter is a shifty beggar and decides to exploit the situation. Of the 5 pounds change, he pockets 2 pounds, and then gives the ladies back a pound each, saying that he had overcharged them. So, the ladies have now all paid 4 pounds each. 3 x 4 = 12 pounds. The waiter pocketed 2 pounds. 12 + 2 = 14 pounds. So where has the other pound gone?
3 old ladies go for lunch at a cafe. They all have the same meal, which costs 5 pounds each. At the end of the meal, they pay the waiter, by each giving him a 5 pound note, totalling 15 pounds. When the waiter gets to the cash register, the manager informs him that there is a special on - buy 2 meals get the 3rd free. The waiter is a shifty beggar and decides to exploit the situation. Of the 5 pounds change, he pockets 2 pounds, and then gives the ladies back a pound each, saying that he had overcharged them. So, the ladies have now all paid 4 pounds each. 3 x 4 = 12 pounds. The waiter pocketed 2 pounds. 12 + 2 = 14 pounds. So where has the other pound gone?
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That is a real brainteaser, has the manager got it????????????????????
Mathematical explanation.
The ladies paid £10 for the meal, which means that each lady paid £3.33(recurring)
(10/3 = 3.33(recurring)), then they each got £1 back for the “2 for 3 offer” (3*1 = 3).
Therefore, they each paid £3.33(recurring) for the meal ((£3.33(recurring * 3) + £2 = £12), or altogether paid £10, and the waiter kept £2.
15 – 3 = 12.
Don't worry, it took a long, long time for me to understand this too.
The ladies paid £10 for the meal, which means that each lady paid £3.33(recurring)
(10/3 = 3.33(recurring)), then they each got £1 back for the “2 for 3 offer” (3*1 = 3).
Therefore, they each paid £3.33(recurring) for the meal ((£3.33(recurring * 3) + £2 = £12), or altogether paid £10, and the waiter kept £2.
15 – 3 = 12.
Don't worry, it took a long, long time for me to understand this too.
AliBoy wrote:
> Waiter Pockets £2 so the till gets the £10
Exactly. You don't ADD the 2 quid onto the 12.
> Waiter Pockets £2 so the till gets the £10
Exactly. You don't ADD the 2 quid onto the 12.
Yeah,
If they each pay £5 then the total is £15.
The waiter gives them wach a pound so £15 - 3 = £12
Waiter Pockets £2 so the till gets the £10
If they each pay £5 then the total is £15.
The waiter gives them wach a pound so £15 - 3 = £12
Waiter Pockets £2 so the till gets the £10
Was I right? eh? eh?
Ah hah!
£15 - the £2 he pocketed = £13.
£13 - £1 each for the ladies = £10
£10 = cost of two £5 meals.
It's meant to throw you!
SO...there never was an extra pound. It was all dispersed evenly!
£15 - the £2 he pocketed = £13.
£13 - £1 each for the ladies = £10
£10 = cost of two £5 meals.
It's meant to throw you!
SO...there never was an extra pound. It was all dispersed evenly!
I still don't get it! If they each gave him £5 how can that last pound not exist? He only kept two and gave them £4 back...
If you figured it out, explain it in laymans terms please?
If you figured it out, explain it in laymans terms please?
ßora† SagdiyeV wrote:
> that's not answering the question though!
Where the extra pound went? It never existed.
> that's not answering the question though!
Where the extra pound went? It never existed.
ßora† SagdiyeV wrote:
> that's not answering the question though!
Where the extra pounds went? It never existed.
> that's not answering the question though!
Where the extra pounds went? It never existed.
that's not answering the question though!
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