What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

There was a greenhouse.
Inside the greenhouse, there is a white house.
Inside the white house, there is a red house.
Inside the red house, there are lots of babies.

What is It?

In the image given, you can find several triangles. Can you count them all?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

A man was going to bleach his socks because they had gotten muddy the day before. As he was pouring the bleach into the washing machine, he spilt some on the floor. He got some cleaning fluid and mopped it up with a rag. Minutes later he was dead. What killed him?

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?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

In the image below, can you find the value of an angle(y)

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?