Can you solve the maths in the below-given picture equation?

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

Who has married many women but was never married?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

Solve below rebus puzzle?

Can you Find and name the hidden bird in the picture below ?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

Considering the below equation:

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

Then, I + II + III = ?

what one word does the below rebus identifies?

I am green and found in the forest and have needles instead of leaves. What am I?
Hint 1: It can be used for Christmas decorations.
Hint 2: I have a strong, scent that is used in air fresheners.