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

Who am I?

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

There is a square piece of paper with a hole that is denoted by the circle on the top right side in the given picture. You have to cut the paper in a manner that it forms two and only two separate pieces of paper and then rearrange the pieces in a manner that the holes come in the centre of the paper.

There is something which is always coming but never arrives?

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

What Word am I Looking For ?

What goes through cities and fields, but never moves?

If 1+9+8=1, what is 2+8+9?

Open a Laptop which is password protected. Hint for the password is given as below:

1 mobile 3 books 2 Boards 1 night 4 balls 2 lighters 1 ghost 1 hat 3 watches

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.