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Posted: February 5th, 2019, 4:08 pm

Posted: February 5th, 2019, 4:31 pm
Can you choose any one? Can I trust intuition? Do you want a quick answer or a slow answer?

It reminds me of

A bat and a ball together cost \$1.10. The bat costs one dollar more than the ball. How much does the ball cost?

Posted: February 5th, 2019, 4:45 pm
My guess would be option e.

Posted: February 5th, 2019, 4:50 pm
number of elements in each figure (tri + quad):

4 5 5
7 8 8
4 5 x
x should be 5 so choose between b & d. Then maybe d as on every line, there are only 2 vertices at the centre.

Posted: February 5th, 2019, 5:03 pm
"Can I trust intuition?"

in your case yes! Judo intuition!

Posted: February 5th, 2019, 5:11 pm
c because it best shows the end result of a process of rotating, shifting, and reflecting the original lines.

Looks like 1 transformation of each type is "allowed" and the reflection seems to take place across the longest straight line in each example.

Have to look at it some more though.

Posted: February 5th, 2019, 5:15 pm
Robert Harbin’s “Origami Book 3,” p. 25 “Crouching Samurai.”

And it’s e. The fold which creates the sword of the Samurai.

Posted: February 5th, 2019, 5:24 pm
It was a quant-friend sending me this question, here is the answer I sent in return

and now she do not return my emails, why?

Posted: February 5th, 2019, 5:26 pm
you have a few typos there...

Posted: February 5th, 2019, 5:34 pm
This is the Brainteaser forum and has its own etiquette.

But I will point the typos out to you.

waist - you mean waste time.  But that is ok.

Ah the second typo has been corrected.  Very good.

But I still have to go to a Math class now.

Posted: February 5th, 2019, 5:40 pm
that is why one need the sword of the Samurai, to cut off the typos! It was a double puzzle ? an answer within the answer?

Posted: February 5th, 2019, 5:44 pm
Add the funny little picture of Einstein and it is really a multi-dimensional puzzle!

One way to help solve the line drawing puzzle is to reconstruct each drawing using colored pencils - a different color for each continuous line.

Then see how you can work with those lines - rotate, mirror-reflect, shift, to form the next image in the sequence.

At least this is how I think about it.

Could be completely wrong and the real answer is waiting on a different plane...

**

and yes, typos can be like "Freudian slips"- funny little verbal mistakes that reveal more than what one had intended.

Can be very entertaining though, in any language.

Posted: February 5th, 2019, 6:23 pm
I remember my Judo trainer demonstrated defense against someone with Samurai Sword, quiet impressive! karate better? trust intuition!

Cuch, how is your Samurai defense?