Riddles with matrices

Puzzles, riddles, brain teasers, conundrums, logic questions in pictures. Here all tasks are presented in the form of various matrices. Most often these are rectangular matrices that have external rows and columns. In these logic puzzles, brain teasers and conundrums, the columns and rows affect the contents of the matrices. To check your answer, click on the «Answer» button located below the task. After this, the correct answer and explanations will appear. Below you can select other questions on this topic. Typically each topic has 20 questions or more. At the same time, the complexity of logical problems gradually increases. First there will be easy questions, then medium, then difficult. Try to complete tasks as quickly as possible.
Question - 3
This logic riddle has external and internal numbers. The outer numbers have a light background. Find the relationship between external and internal numbers. Next, enter the appropriate number instead of the question mark.
Correct answer = 6.
To get the number in the cells from the central area, you need to sum the outermost numbers on the top and right, which are in the same column and in the same row as the cell itself.
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