Two friends were betting. One said to the other, "The coin will be flipped twenty times and each time the coin lands on the head, I will give you $2 and each time it lands on the tale, you will give me $3." After flipping the coin twenty times not a single penny was exchanged among them.

How many times did the coin land on heads?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

I never was there, I am always to be.
You have never ever seen me, not ever you will.
Yet I am the confidence of everyone.

Who Am I?

Can you name some countries which do not have the alphabet 'A' in them?

It's pretty hard to give up.
If you remove a part of it, you will be left with a bit.
Even if you remove another part, the bit still remains.
Remove one more and it still remains.

What is it?

What does a man do only once in his lifetime, but women do once a year after they are 29?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

By using 'because' continuously three times, can you make an English statement ?