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.

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?

While handling a project, the landscaper is asked by the owner of the mansion that he wants four trees in front of his mansion that are exactly equidistant from each other.

How will he do it?

Use the digits from 1 up to 9 and make 100.

Follow the rules.
=> Each digit should be used only once.
=> You can only use addition.
=> For making a number, two single digits can be combined (for example, 4 and 2 can be combined to form 42 or 24)
=> A fraction can also be made by combining the two single digits (for example, 4 and 2 can be combined to form 4/2 or 2/4)

Question: how can we do this?

Who is that with a neck and no head, two arms and no hands? What is it?

By using 'because' continuously three times, can you make an English statement ?

Complete the table series riddle by finding the number that can replace "??".

What is next number in the pattern below:

131 517 192 123 ?

By what process could you make a 'Tea-Table' into food?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?