In a new post on X, Amitabh Bachchan rang in the New Year with a quirky twist. Instead of a regular greeting, the veteran ...
A version of this puzzle originally appeared in the October 1960 issue of Scientific American. What’s the Most Distant Galaxy ...
Puzzle 1: You are given nine gold coins that look identical. You are told that one of them is fake, and that this coin weighs ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback