Why do we preferably have round manhole covers and not square ones?

Can you find the hidden animal in the picture below?

What does below pictogram mean?

What can you see in the middle of March and April that you can never see in any other month?

I am a five-letter word and people eat me. If you remove the first letter I become an energy form. If you remove the first two letters, I am needed to live. Scramble the last three letters and I am a drink. What word am I?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

Buy me, smell me or deliver me, I do not change.

Who am I?

In a kingdom, King George did not allow any citizen to visit the world outside. Also, only a person with proper paperwork was allowed to enter or he was sent back. A wooden bridge was what connected the kingdom to the world. The king had appointed a sharpshooter who would check the every five minutes on the bridge to check. After checking, he would go back to his hut and return exactly after five minutes again. The bridge took 9 minutes to cross.

A merchant was able to escape the kingdom without harming the shooter. How?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

I look at you, you look at me I raise my right, you raise your left. What am I?