**numbers in circles**

There are three circles with four numbers inside. Each circle has different numbers based on a rule. Can you find the number in this math brain teaser?

created by Niki

Can you also solve

Find the missing number in the box. Read the picture "row by row".

**find the missing number in the box**Find the missing number in the box. Read the picture "row by row".

akhilmnairkallettu