Short medium logic riddles for teens

cleanlogictricky

How many apples can you put in an empty box?
Zero. When you put an apple, it no longer remains empty. Others say one. After you put one in there, it is not empty.
62.48 %
122 votes
cleanlogic

Billy was born on December 28th, yet his birthday is always in the summer. How is this possible?
Billy lives in the Southern Hemisphere.
60.55 %
223 votes
logicmysterytrickysimple

Paul is 20 years old in 1980, but only 15 years old in 1985. How is this possible?
The years are in B.C., not A.D. as you probably assumed. Based on the system we use to number the years, the years counted down in B.C. (but they weren't counting backwards back then).
53.26 %
223 votes
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