Can you replace the question mark with the correct number in the below table sequence?

How many triangles are there in the picture below?

Imagine you are in a room with no windows or doors. How will you get out?

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

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

In the four images below, can you find the odd one out?

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

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 ?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?