How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

What is the end of everything?

What question can you never answer yes to?

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

How is a fly different from a mosquito?

In the picture that is attached with this question, you can find a square which comprises of four little squares inside it. Consider this square to be made with matchsticks. You have to remove two matchsticks such that only two squares remain instead of five.How will you do it ?

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