I can write cow in 13 letters.

Can You?

In my garden, I have many trees but only one of them is the mango tree. In these mango trees, there are some mangoes(as expected).

But after a strong wind, there are neither mangoes on the tree nor on the ground. Explain?

If eleven plus two equals one, what does nine plus five equal?

What always comes into a house through the keyhole?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

What is red and smells like blue paint?

Find the missing letter in the last circle logically in the given below picture.

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?

You know three triplets: Frank John and Wayne (need to return your money). Frank always tells the truth while John and Wayne always lie. You meet one of them on the road and can ask him a three-word question.
Which question, will you ask?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?