With the help clues provided in the image, can you find the 5 digit key?

The current time can be represented by below textual rebus.

0
=========
B.Sc
LLB

Can you tell us the current time?

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

A non-stop marathon is the shared favourite sport of three brothers.

*The oldest one is fat and short and trudges slowly on.
*The middle brother's tall and slim and keeps a steady pace.
*The youngest runs just like the wind, speeding through the race.

"He is young in years, we let him run!" the other two brothers explained, "'because though he is surely number one, he is second, in a way." Why is it?

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

The first person saw the bridge step on it and crossed,
the second person saw the bridge did not step on it but crossed,
the third person did not see the bridge did not step on it but crossed.
Who are these people?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

John was drowned by he was not wet. How?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?