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.

I was born in a small house and I live in it all alone. No windows and no doors have been assigned to my house. The only way I can go out is by breaking through the walls of my house.

Who am I?

What is the largest number you can write with just 3 digits?

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

Find out which of the given views in the picture is accurately the top view of the given pyramid.

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

What can jump higher than a building?

Why do we preferably have round manhole covers and not square ones?

Replace the question mark with the number below given a simple math problem.