I can write cow in 13 letters.

Can You?

What does below chemistry rebus means?

What is the fastest way to double your money?

Can you find out the remainder when 3^300 is divided by 5?

What do you call a fish without an eye?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

A lion and its tamer are standing inside a cage that measures 1 unit in radius. Both of them can effortlessly run at the speed of 1 unit maximum.

1) Suppose the lion is hungry, will he be able to eat up the tamer?
2) If yes, how long can the tamer survive?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?