Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

What does this mathematical rebus means ?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

In the figure that has been attached to this question, each digit represents a digit. The similar letters carry the same integer value. Can you expose the original digits?

John is 45 years older than his son Jacob. If you find similarities between their ages, both of their ages contain prime numbers as the digits. Also, John's age is the reverse of Jacob's age.

Can you find their ages?

A horse was tied to a rope 5 meters long and the horses food was 15 meters away from the horse. How did the horse reach the food?

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?

What has a bottom at the top?

John was so frustrated to be the suspect of being a sleeper terrorist that he shoot himself right between the eyes with a revolver in his toilet. The revolver and the bullets were accurate. Minutes later John walks out of the toilet unharmed.
How can this be possible?

Imagine you are in a room with no windows or doors. How will you get out?