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.

What is the next number?

77, 49, 36, 18 ?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

An apple seller is hosting a competition. He offers 1000 apples and 10 boxes to the people who pass by. The challenge is to put those 1000 apples in the 10 boxes in such a manner that if he asks for any amount of apples, the person can directly give him the boxes or a combination of boxes. If the person can do it, he promises to give a thousand apples for free.

If you happen to pass by the apple seller, will you be able to win a thousand apples?

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

What is the unique property of the following words ?
* Revive
* Banana
* Grammar
* Voodoo
* Assess
* Potato
* Dresser
* Uneven

Rearrange the letters in "new door" to make one word.

Give it food and it will live; give it water and it will die.

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?