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 you cannot hold but it is yours?

What is more useful when it is broken?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

My first is in chocolate but not in ham. My second is in cake and also in jam. My third at tea time is easily found. Altogether, this is a friend who is often around. What is it?

What has many keys but can’t open a single lock?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

Can you write down eight eights so that they add up to one thousand?