Friday, January 29, 2010

Lazy Friday 2

Lots to do but not feeling up to it.

Decode: 370H-SSV-0773H

What is the missing number:

8 comments:

Don said...

24?

Harry-Rami Itie said...

OK...so maths aint really ma thing...

K. Rock said...

13!!!! I love puzzles.

Don said...

What's the answer? I kinda feel like I got this one wrong. K.Rock sounds too sure. LOL!

Black Man Comes said...

K-Rock got it for sure. There are 2 approaches, I would like to know which she used.

K. Rock said...

I used the algebraic approach.

yinyang=y
cat=c

from the first line: 3y+c=11
from last line:3c+y=9
2 equations. 2 unknowns. Solve and you get y=3 and c=2. The rest is pretty easy from there.

Black Man Comes said...

K-Rock are you and Engineer.


This is a mathematical challenge, and it's been said that:

* If you're an engineer, you should be able to solve it in (under) three minutes,

* if you're an architect, in three hours;

* if you're a doctor, in six hours;
* if you're an accountant, in three months and

* If you're a lawyer, probably never.

Black Man Comes said...

another method: add down the column numbers and add the row numbers, then subtract.

My method similar to K. Rock was to figure out from the picture what each object was worth. Substitution.