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.

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

I am white when I am dirty, and black when I am clean. What am I?

I have an eye but still cannot see.

Who am I?

O_er_t_o_

Complete the missing letters of the given word.

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

A person was found dead on a big green land with no trees or buildings around. When the police arrived, they found a piece of rock lying next to him and the man was wearing clothes comprising of red, blue and yellow colours.

Can you tell who the person is and what was the cause of death?

You throw me out when you want to use me and you take me in when you don't want to use me.

Who Am I?

How many times can you subtract the number two from the number fifty?