These types of puzzles are known as charades. What you have to do is to find two words that are referred to in the first stanza and the second stanza and put them together to form the third word in the third stanza.

Just for example, if my first refers to 'off' and my second refers to 'ice', then my whole will be the 'office'.

My first is present - future's past -
A time in which your lot is cast.

My second is my first of space
Defining people's present place.

My whole describes a lack of site -
A place without length, breadth, or height.

Buy me, smell me or deliver me, I do not change.

Who am I?

How many triangles can you count in the figure given?

How many letters are in the alphabet?

John was piloting a plane behind a car but was never able to overtake it. Why?

Why do you find that most of the buildings are deprived of the 13th floor?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

What goes through cities and fields, but never moves?

From a pack of 52 cards, I placed 4 cards on the table.

I will give you 4 clues about the cards:

Clue 1: Card on left cannot be greater than the card on the right.
Clue 2: Difference between the 1st card and 3rd card is 8.
Clue 3: There is no card of an ace.
Clue 4: There are no face cards (queen, king, jacks).
Clue 5: Difference between the 2nd card and 4th card is 7.

Identify four cards?

Find the next number in the series.
1 10 24 43 67 ?