Challenge your thinking with four IQ puzzles

In 30 seconds, find the pattern of the given numbers to fill in the missing number in the question mark.

Question 1:

>>Answer

Sentence 2:

>>Answer

Question 3: Fill in a single-digit number in each circle so that the sum of the three circles in the row is 9. Note, each digit appears only once.

>>Answer

Question 4:

>>Answer

According to Bright side, Fun with Puzzles

Source link: https://vnexpress.net/thu-thach-tu-duy-voi-bon-cau-do-iq-4627555.html