Can you start the fire using two pieces of wood?

Considering the below equation:

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

Then, I + II + III = ?

What do you get if you add 2 to 100 four times?

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 ?

There is a wide field of corn. A goose finds its way into the field and starts running. Can you find out till which point the goose can run into the field?

Solve the following series:
AZ, GT, MN, __, YB

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Can you find out the total number of triangles in the given figure?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

Move three sticks of the spiral below to form a square.