In this visual math triangle brain twister puzzle there are three sets of triangles each having 4 numbers two triangle sets are all with numbers but the top set is missing one number in the center of the triangle the task is to find that number refer below picture

In order to solve this puzzle you have to first carefully examine bottom sets of triangles especially the numbers outside the triangles to find the logic which you can apply in the top set of triangle to find the missing center number

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