What building has the most stories?

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

Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

I am eight letters long - "12345678"
My 1234 is an atmospheric condition.
My 34567 supports a plant.
My 4567 is too appropriate.
My 45 is a friendly thank-you.
My 678 is a man's name.

What word am I?

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

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

There was a greenhouse.
Inside the greenhouse, there is a white house.
Inside the white house, there is a red house.
Inside the red house, there are lots of babies.

What is It?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

Can you solve the below geography rebus by decoding the below rebus ?

What does this rebus means ?

PROG WORKRESS