Can you decipher the below rebus?

PBLUESAISNUERSES

How many times can you subtract the number two from the number fifty?

Replace the question mark with the number below given a simple math problem.

All of the flowers I have are orchids except two. All of the flowers I have are hibiscuses except two. All of the flowers I have are roses except two.

Can you tell me how many flowers I have?

What can go up a chimney down, but can’t go down a chimney up?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

How many triangles can you count in the figure given?

Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?