Riddles with sequences

Puzzles, riddles, brain teasers, conundrums, logic questions in pictures. There are sequences created according to some rules. In these puzzles, brain teasers and conundrum you need to continue the sequence by choosing one of the given answer options. 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 - 20
In this challenging puzzle-conundrum, various geometric shapes are arranged clockwise, each with a number inside. Find the relationship between geometric shapes and the numbers inside them. Which answer choice should complete this sequence?
Correct answer = 0. Option number 3.
Here the sequence starts from the top left triangle and moves clockwise. Each number inside geometric shapes is equal to the number of angles in the current and next geometric shapes. The sequence moves clockwise.
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