Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.

Forwards I am heavy, backward I am not. What am I?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

What runs around the whole yard without moving?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

The more of this there is, the less you see. What is it?

I start and end with 500 and carry a 5 in my heart. But I require the first letter and the first number to be complete. I am the name of a King.

Who am I ?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?