**we know the number you have in mind**

Pick a random number between 1 to 100, add 50, add 20, subtract the number you chose and you get guess what?

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Can you also solve

Find the number which replaces the questionmark. There is a pattern between the numbers in circles, can you see it? Use your math skills to solve this brain teaser.

**math lesson for smart people**Find the number which replaces the questionmark. There is a pattern between the numbers in circles, can you see it? Use your math skills to solve this brain teaser.