Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

Can you solve below mathematical equation?

2^1234 - 2^1233

Rectify the following equality 101 - 102 = 1 by moving just one digit.

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

A man looks at a painting in a museum and says, “Brothers and sisters I have none, but that man’s father is my father’s son.” Who is in the painting?

The host of a game show, offers the guest a choice of three doors. Behind one is a expensive car, but behind the other two are goats.
After you have chosen one door, he reveals one of the other two doors behind which is a goat (he wouldn't reveal a car).

Now he gives you the chance to switch to the other unrevealed door or stay at your initial choice. You will then get what is behind that door.

You cannot hear the goats from behind the doors, or in any way know which door has the prize.

Should you stay, or switch, or doesn't it matter?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

If you say my name, I will no longer exist. What am I?