Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

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

If an electric train is travelling south, then which way is the smoke going?

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.

A father's child, a mother's child, yet no one's son.

Who am I?

What is the next shape from answers A, B, C, and D figure?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

What goes through cities and fields, but never moves?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

Look at the picture and find out which square is not linked with any of the other squares.