Green Triangles with Some Math

Can you figure out what number should replace the question mark?

31 Comments to “Green Triangles with Some Math”

Tim | Guest August 8th, 2007 - 2:21 pm

9. The numbers in the intersections are the sums of the numbers in the two intersecting triangles.
Daniel | Guest August 8th, 2007 - 3:07 pm

9.

Number in overlap = sum of numbers in upper regions of overlapping triangles.
Slavco | Guest August 8th, 2007 - 4:18 pm

9
Mark W | Guest August 8th, 2007 - 6:08 pm

9
Scott K | Guest August 8th, 2007 - 9:17 pm

9. the 4 numbers in the diamonds to each side of each of the base numbers add up to the base number.
Levi | Guest August 8th, 2007 - 9:28 pm

9
Dan Harris | Guest August 8th, 2007 - 10:34 pm

9

The number in the overlapping segments is the total sum in the two contributing triangles.
Tania | Guest August 9th, 2007 - 6:03 am

9 (oops)
blah | Guest August 9th, 2007 - 9:47 am

7
santhosh | Guest August 9th, 2007 - 10:13 am

Answer is : 9
Mihret K | Guest August 9th, 2007 - 11:06 am

Hehe a simple on this time

9
Riyad | Guest August 9th, 2007 - 12:21 pm

Way too easy !
Answer is 9
Won’t even bother explaining..
hahahaha
Rosey | Guest August 9th, 2007 - 12:48 pm

Nine.
James D. Turner | Guest August 9th, 2007 - 2:08 pm

9
Rasool | Guest August 9th, 2007 - 6:33 pm

so easy 9
Chris D. | Guest August 9th, 2007 - 7:05 pm

9
deejam | Guest August 9th, 2007 - 11:31 pm

The answer is 9.

6+2+?+3 = 20
x=20-11
x=9

?+3+4+2=18
x=18-9
x=9.
carolyn d | Guest August 10th, 2007 - 1:59 am

? = 9
Alexey | Guest August 10th, 2007 - 2:50 am

9
ngdses | Guest August 10th, 2007 - 3:16 am

9, because 6+2+9+3=20, and 9+3+4+2=18.
Ahmad Al-Sharman | Guest August 10th, 2007 - 4:41 am

9
azri | Guest August 10th, 2007 - 5:51 am

9
RK | Profile (beta) August 10th, 2007 - 8:19 am

Answer is 9.

harder ones are coming : )
Prairie | Guest August 10th, 2007 - 2:51 pm

9
faran | Guest August 12th, 2007 - 3:10 am

9is the answer
PJ White | Guest August 13th, 2007 - 2:03 am

9
Angelo | Guest September 4th, 2007 - 9:40 am

The number should be 9.
Danny | Guest September 7th, 2007 - 8:48 am

9
Angelo | Guest November 19th, 2007 - 10:11 am

The answer should be 9.
Nerislav | Guest November 27th, 2007 - 2:25 am

9 that was easy
Jerrud Edwin | Profile (beta) September 20th, 2009 - 11:13 pm

9, that was fun.

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