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BlueTinky 10-16-2008 12:24 AM

Number Puzzler
 
I came across a number puzzle, that I can't figure out for the life of me. I think my problem is that I'm thinking of the more complex stuff. If anyone can figure it out, I'll probably feel really stupid for missing it, but I'd love it if someone would at least help me.

Figure out the pattern in the first three examples and use it to figure out the last.

1, 3, 4 (16)
2, 6, 1 (18)
5, 2, 7 (28)
3, 4, 5 (?)

I have an idea, but the third set of numbers throws me off.

Jack I 10-16-2008 01:17 AM

Quote:

Originally Posted by BlueTinky (Post 81737)
(1 x 2 + 3 x 2 + 4 x 2) = 16
2 + 6 + 8 = 16

(2 x 2 + 6 x 2 + 1 x 2) = 18
4 + 12 + 2 = 18

(5 x 2 + 2 x 2 + 7 x 2) 28
10 + 4 + 14 = 28

(3 x 2 + 4 x 2 + 5 x 2) = x
6 + 8 + 10 = 24

Took me a second, but I have it figured out.

The only part that makes no sense to me is why the fourth number drops back down.

Dr. Zeppers 10-16-2008 01:32 AM

I think your all overthinking

Actually Jack has it, but still made it harder than it had to be:

1, 3, 4 (16)
2, 6, 1 (18)
5, 2, 7 (28)
3, 4, 5 (?)


(1+3+4) * 2 = 16
(2+6+1) * 2 = 18
(5+2+7) * 2 = 28
(3+4+5) * 2 = 24

Why is the last number smaller? Who cares, thats not part of the puzzle as far as I could determine.

sunnysweeney 10-16-2008 08:43 AM

yeah those are easy....just wait till you get something like this in school:::::


Train a was coming from ny, train b was coming from cali. Train b was going 25mph while train a was going 42mph. both were going to tx. witch train got to tx first?

Rackat 10-16-2008 12:57 PM

Quote:

Originally Posted by sunnysweeney (Post 81800)
yeah those are easy....just wait till you get something like this in school:::::


Train a was coming from ny, train b was coming from cali. Train b was going 25mph while train a was going 42mph. both were going to tx. witch train got to tx first?

Student to teacher on answer sheet:

"It was awful! Train "A" hit a big rig that was stalled on the tracks. Train "B" was derailed in Arizona by a bridge that was washed out in a flash flood. Thankfully the conductors were ok, but those trains never made it to Texas."

sunnysweeney 10-16-2008 01:38 PM

Quote:

Originally Posted by Rackat (Post 81820)
Student to teacher on answer sheet:

"It was awful! Train "A" hit a big rig that was stalled on the tracks. Train "B" was derailed in Arizona by a bridge that was washed out in a flash flood. Thankfully the conductors were ok, but those trains never made it to Texas."

lol

:frankenstein2:

Captain NightWolf 10-16-2008 04:56 PM

An electric train is going up a hill north but the wind is blowing south...which way does the smoke blow?

combatlizzy 10-16-2008 05:12 PM

Environmentally Safe
 
Electric trains don't blow smoke.do they Wolfman?? :wink:
Quote:

Originally Posted by Captain NightWolf (Post 82165)
An electric train is going up a hill north but the wind is blowing south...which way does the smoke blow?


Captain NightWolf 10-16-2008 05:37 PM

LOL...caught me...

CrimsonRabbit 10-16-2008 07:57 PM

Quote:

Originally Posted by sunnysweeney (Post 81800)
Train a was coming from ny, train b was coming from cali. Train b was going 25mph while train a was going 42mph. both were going to tx. witch train got to tx first?

Train A: New York --> Texas
Train B: California --> Texas

Train A: 1775miles @ 42mph = 1 day, 18 hrs, 18 min
Train B: 1485miles @ 25mph = 2 days, 11 hrs, 24 min

TRAIN A (from New York) would get there first.

I am curious as to why a train would only be traveling 25 mph on a cross-country journey though.

note: This is considering trains left center of state and parralleled major highways. If the trains didn't stop, they would collide with each other 12 miles west of Pecos, Texas along Highway 20 near the intersection with Highway 10.

Yay math!


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