Author Topic: Can you solve this riddle?  (Read 61788 times)  Share 

Mandle

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Re: Can you solve this riddle?
« Reply #860 on: 08 Feb 2017, 09:05 »
Hmm... interesting one.  I thought I might be onto something with calculi / calculus or foci / focus- sadly not - but I shall continue to cogitate...

It's kind of a cheeky solution and not officially sanctioned by Webster...

CaptainD

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Re: Can you solve this riddle?
« Reply #861 on: 08 Feb 2017, 09:16 »
HAHA I just worked it out... DUH...

"I" is singular
"Us" is plural!

Nice one, you evil maniac.
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Andail

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Re: Can you solve this riddle?
« Reply #862 on: 08 Feb 2017, 09:34 »
HAHA I just worked it out... DUH...

"I" is singular
"Us" is plural!

Nice one, you evil maniac.

Nice, although technically 'I' corresponds to 'we', and 'us' in singular would be 'me'.

Yes, I'm fun at parties.

CaptainD

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Re: Can you solve this riddle?
« Reply #863 on: 08 Feb 2017, 11:44 »
Nice, although technically 'I' corresponds to 'we', and 'us' in singular would be 'me'.

I WILL NOT BE ROBBED OF MY MOMENT OF VICTORY!!!!!  :grin:

It's kind of a cheeky solution and not officially sanctioned by Webster...

Natch.
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Creamy

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Re: Can you solve this riddle?
« Reply #864 on: 08 Feb 2017, 11:45 »
What about a little math problem?

EDIT :
The prince is three times as old as the princess was when the prince was twice as old as the princess is. How old are they?

The prince is three times as old as the princess was when the prince was half as old as the princess is. How old are they?

There are several good answers.
« Last Edit: 08 Feb 2017, 22:46 by Creamy »
 

CaptainD

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Re: Can you solve this riddle?
« Reply #865 on: 08 Feb 2017, 12:25 »
Dunno if I've fully understood the question, but...

Add spoiler tag for Hidden:
If the prince is 6 and the princess is 4, the prince is now 3 times as old as when he was 2 and therefore twice the princess' age of 1.

The reason I'm not sure if I've understood you properly is that it seems pretty straightforward, so maybe I'm missing something?!
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Creamy

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Re: Can you solve this riddle?
« Reply #866 on: 08 Feb 2017, 13:14 »
No, you didn't get the question right. Let's take your hypothesis of the prince being 6 and the princess being 4 :
princeprincess
old age42
current age64
"Old age" depicts the moment when the princess was a third of the prince's current age (The prince is three times as old as the princess was...")
When she was 2, he was 4. Therefore he wasn't half of her current age (which is also 4).

« Last Edit: 08 Feb 2017, 13:17 by Creamy »
 

CaptainD

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Re: Can you solve this riddle?
« Reply #867 on: 08 Feb 2017, 13:45 »
Ah okay, gotcha.  Misread it I think!
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Mandle

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Re: Can you solve this riddle?
« Reply #868 on: 08 Feb 2017, 13:48 »
HAHA I just worked it out... DUH...

"I" is singular
"Us" is plural!

Nice one, you evil maniac.

BINGO! And very well done!

CaptainD

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Re: Can you solve this riddle?
« Reply #869 on: 08 Feb 2017, 14:16 »
@Mandle - it was a terrific example of obfuscation.  SO obvious, yet you cleverly set up a completely erroneous train of thought.  It was only when I scribbled down "i - singular ... us - plural" as a reminder to come back to the riddle later that the painful obviousness hit me!
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Riaise

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Re: Can you solve this riddle?
« Reply #870 on: 08 Feb 2017, 17:15 »
The prince is three times as old as the princess was when the prince was twice as old as the princess is. How old are they?

It took a while for me to get my head around the wording, but I got there eventually.
Add spoiler tag for Hidden:
The prince is 9 and the princess is 4. Or any multiple of both those ages e.g. 18 and 8, 27 and 12, 36 and 16. It works like this:

The prince is 9 years old, three times the age that the princess was one year ago when she was 3 and the prince was 8, which is twice the age that she is now at 4.

Creamy

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Re: Can you solve this riddle?
« Reply #871 on: 08 Feb 2017, 22:45 »
Well done Riaise!

Quote
It took a while for me to get my head around the wording
Yeah, that's what makes it difficult :-D

You made me realize there was a mistake in the problem statement. Sorry about that :-[ 
Your reasoning is good nonetheless. It should have read :
The prince is three times as old as the princess was when the prince was half as old as the princess is. How old are they?

Here's a math way to solve it :
Add spoiler tag for Hidden:
We have 4 unknowns :
princessprince
old ageXaYa
current ageXbYb

We can make 3 statements :
(1) Yb = 3Xa (The prince is three times as old as the princess was...)
(2) Ya = Xb/2 (...when the prince was half as old as the princess is)
(3) Yb - Ya = Xb - Xa (the difference between current/old age is the same for both of them)

We're looking for Xb and Yb.
If you replace Ya and Xa in (3), you get :
Yb - Xb/2 = Xb - Yb/3
From there :
4/3 Yb = 3/2 Xb
Yb = 9/8 Xb

That's it : when the prince is 9, the princess is 8. It works with any multiple of these ages too :

princessprince
old age68
current age1618

princessprince
old age912
current age2427

...
« Last Edit: 08 Feb 2017, 23:36 by Creamy »
 

Re: Can you solve this riddle?
« Reply #872 on: 09 Feb 2017, 19:53 »
More Hobbit riddles! Don't answer if you read the book or seen the movie and already know the answers.

1
What has roots as nobody sees,
Is taller than trees,
Up, up it goes,
And yet never grows?

2
Voiceless it cries,
Wingless flutters,
Toothless bites,
Mouthless mutters.

3
An eye in a blue face
Saw an eye in a green face.
"That eye is like to this eye"
Said the first eye,
"But in low place,
Not in high place."

Mandle

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Re: Can you solve this riddle?
« Reply #873 on: 09 Feb 2017, 23:15 »
I don't know if I'm solving the riddles or remembering the solutions. It's been so long since I read the book and I never got that far in the movie series. I gave up after the first one was so painfully trying to be LOTR except without the entertainment, and just decided to keep my good memories of the LOTR films intact.

But I will have a hidden try:

1
Add spoiler tag for Hidden:
A mountain!

2
Add spoiler tag for Hidden:
A river?

AnasAbdin

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Re: Can you solve this riddle?
« Reply #874 on: 17 Feb 2017, 15:46 »
Find EDB (nod)

Given that AB = AC


Re: Can you solve this riddle?
« Reply #875 on: 17 Feb 2017, 15:59 »
Find EDB
It was tough, but I found them all!



Add spoiler tag for Hidden:
Also, I think you made typo, there should be a 30º instead of that ?.
« Last Edit: 17 Feb 2017, 16:03 by Hobo »

AnasAbdin

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Re: Can you solve this riddle?
« Reply #876 on: 17 Feb 2017, 16:14 »
Ha ha :P

The solution is available online of course, tell us how you got 30°

Mandle

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Re: Can you solve this riddle?
« Reply #877 on: 17 Feb 2017, 16:44 »
My solution is 25...

Isocolese triangle therefore:
ABC=80 & ACB=80

Therefore:
ACE=30
EBD=20

Also:
The peak of intersecting lines of BD and CE=70

Therefore the inverse of the valley of intersecting lines of EC and BD also=70

Therefore the left side of the intersecting X=120 and the right side=130

Therefore CEB=40 and CDB=20

And then I got lost with my calculations because I had to go to the toilet but it seemed that proving both EBC and DBC triangles to add to 180 ended up with angle EDB=25...

I could be very wrong of course

Re: Can you solve this riddle?
« Reply #878 on: 17 Feb 2017, 16:47 »
The solution is available online of course, tell us how you got 30°
I'd like to say that I used my amazing math skills, but I've actually tackled this puzzle before and remembered the answer.

AnasAbdin

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Re: Can you solve this riddle?
« Reply #879 on: 17 Feb 2017, 16:49 »
My solution is 25...

I could be very wrong of course

You are, but the toilet visit got you on track.