In one problem, you need to solve for the 4 digit code, and you know some clues. In the second, two logicians are asking questions to figure out the other person's number. Can you figure it out?

0:00 problems
1:51 solution 1
5:06 solution 2

Problem 1 Puzzle A Day
https://puzzleaday.wordpress.com/2020...
Problem 1 Sharp Your Maths
   • Today’s Puzzle #2 | Can you Crack the...  
Problem 2 Reddit Riddles
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