MATH PUZZLE: Can you replace...
MATH PUZZLE: Can you replace the question mark with a number?Correct answers: 192
The first user who solved this task is Snezana Milanovic.
#brainteasers #math #riddles
Perpetual motion machineIn 1882, a perpetual motion machine was patented by John Sutliff in the U.S. (No. 257,103). |