what does this picture(rebus) riddle means ?

Out of four images which one is the odd one out?

A girl rode into a tourist spot out of the city on Thursday. She loved the place and decided to stay for a few days. She stayed for four days and then she left for back home on Thursday.

How can this be possible?

A network of 20 x 10 squares is given to you.

Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?

The following "Brain Bat" means Slow Down.
S
L
O
W

Using the same logic, can you tell us what does the following Brain Bat means ?
E
V
I
G

Which part of London exists in France as well ?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

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

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

What does this simple rebus mean?