What two things can you never eat for breakfast?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

A donkey is behind another donkey
I'm behind that second donkey
But there is a whole nation behind me

It is a murder you can describe in a word.

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?

Who has married many women but was never married?

Can you identify if it's a murder or a suicide ?

Given that

(78)^9 = 6
And (69)^4 = 11

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

Here is what you have to do. You have to throw a ball as hard as you can but it must return back to you even if it does not bounce at anything. Also, you have nothing attached to the ball. There is no one on the other end to catch that ball and throw it back at you.

How will you do it?