Puzzle No. 1 Answer

Light travels 300,000 km in a second.
Light travels 7.5 times around the earth in a second.
Light is the fastest.


But human brain’s thinking speed is much faster than light.
We think about the global warming and worry about the future of the earth now at this
moment.
And the next moment we think about the edge of the universe and wonder about the hugeness
of the universe
And instantly we get back to our everyday life.