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.

Can you find a seven digit number which describes itself. The first digit is the number of zeros in the number. The second digit is the number of ones in the number, etc. For example, in the number 21200, there are 2 zeros, 1 one, 2 twos, 0 threes and 0 fours.

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

The dirtier I get, the whiter I look. Who am I?

Why did the Girl throw the butter out of the window?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

I can be cracked, made, told, and played. What am I?

Three fair coins are tossed in the air and they land with heads up. Can you calculate the chances that when they are tossed again, two coins will again land with heads up?

Can you make the number 24 by utilizing the numbers 1, 3, 4 and 6? You must use one number only one time and you can use mathematical operation symbols anytime anywhere.