What number should replace the question mark?
Feel free to enter your answer in the comment section below; will unmask submission by Wednesday, thanks!
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Every triangle has three numbers besides the center one. I will call them x, y, z for (top, left and right) and c for the center one.
The formula is:
c = x * z + y * z
For example, in the first triangle:
36 = 4 * 3 + 8 *3
In the last triangle, we need to solve for y, so we have:
30 = 6 * 3 + y * 3
y = (30 - 6 * 3) / 3
y = 4
Question mark is 4.
o Red circle is sum of left lower and upper numbers in each triangle multiplied by right lower number.
o 1st triangle: 3×4 + 3×8 = 36
o 2nd triangle: 4×8 + 4×5 = 52
o 3rd triangle: 30 - (3×6)/3 =12. Missing number is 12/3 = 4.
Oops–left out brackets!
[30-(3x6]/3 = 4
i think its 4
It’s a four!
4 (30 = 3*(4+6))
pattern :
(8+4)(3) = 36
(5+8)(4) = 52
(6+?)(3) = 30 —-> ?=4
I can find two algorithms, with the same outcome:
1. Multiply the bottom right number with the other two, sum the products and you get the middle number. Solution: 4
Or
2. Multiply the smallest number among the corner numbers with the other two, sum the products and you get the middle number. Solution (a little harder): 4.
The question mark should be a 4.
In each of the former triangles the centre circle is the result of adding the top number and the lower left number and multiplying the sun by the lower right number.
x 4 = 52
In the first two:
(8 + 4) x 3 = 36
(5 +
So in the third triangle
( 6 + ? ) x 3 = 30
? = 10
Sorry that should be ? = 4 of course
4
(8+4)x3=36
(5+8)x4=52
(6+4)x3=30
4
(top + left) * right = center
cool I think one answer could be this:
first triangle: (8+4)*3= 36
second triangle: (5+8)*4= 52
third triangle: (6+4)*3= 30
so the answer is 4
4
4
4
Is the answer 4.
6×3= 18, 3×4= 12, 18+12 =30
_______________________
Triangel 1:
8×3=24, 3×4= 12, 24+12=36
____________________
Triangel 2:
8×4=32, 4×5= 20, 32+20= 52
4
4!
(Top + Bottom Left) * (Bottom Right) = Middle
* (4) = 52
(8 + 4) * (3) = 36
(5 +
(6 + 4) * (3) = 30
If the pattern is that the middle number (red) is the sum of the two numbers on the left multiplied by the third number, then the answer is 4.
[6 + 4] * 3 = 30
the answer is 4
36 divide by 3 is 12…8 and 4 are 12
52 divided by 4 is 13…5 and 8 are 13
30 divided by 3 is 10…6 and ‘4′ are 10
I’d say 4.
Let’s call the top number T, the bottom left number BL, the bottom right number BR and the center number C.
C = T * BR + BL * BR
Figure 1: 36 = 8 * 3 + 4 * 3 (24 + 12)
Figure 2: 52 = 5 * 4 + 8 * 4 (20 + 32)
Figure 3: 30 = 6 * 3 + BL * 3
30 = 18 + BL * 3
Previous minus 18: 12 = BL * 3
Previous divided by 3: 4 = BL
(8+4) * 3 = 36
(5+8) * 4 = 52
(6+x) * 3 = 30
x = 4
The answer is 4.
8*3+4*3=36
5*4+8*4=52
6*3+x*3=30 x=4
4
4
4
very good- 4 is the answer