I had to walk along a long street to reach the bridge from where i wanted to watch the sunrise.
On my way, i had to walk past lamp posts which were placed quite far apart.
If the lamp post is turned on, I said “one”.(out loud)
If the lamp post is turned off, I said “zero”.
As I walked, I said “1 1 1 1 1 1 0”
I reached the bridge just a few minutes late. I then returned disappointed, along the same long street.
What did I say on my way back?

A fine, polished mirror is in front of me, but why can’t I see my reflection?

Three ants are sitting at the three corners of an equilateral triangle. Each ant randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?